<?xml version="1.0" encoding="ISO-8859-1"?><cms:container xmlns:cms="http://edoc.hu-berlin.de/diml/module/cms"><cms:document><cms:meta><cms:entry id="front" part="front" ref="front" type="front"/><cms:entry type="title">Vergleich des Nabelschnur-Resistance-Index von monochorialen und dichorialen Geminischwangerschaften</cms:entry><cms:entry type="author">Tilo Burkhardt</cms:entry><cms:entry id="N10047" part="front" ref="N10047" type="pagenumber">3</cms:entry><cms:entry id="N1007D" part="front" ref="N1007D" type="pagenumber">4</cms:entry><cms:entry id="chapter1" part="chapter1" ref="chapter1" type="chapter">1</cms:entry><cms:entry id="N100B5" part="chapter1" ref="N100B5" type="pagenumber">8</cms:entry><cms:entry id="N10116" part="chapter1" ref="N10116" type="pagenumber">9</cms:entry><cms:entry id="chapter2" part="chapter2" ref="chapter2" type="chapter">2</cms:entry><cms:entry id="N1019C" part="chapter2" ref="N1019C" type="pagenumber">10</cms:entry><cms:entry id="N101A6" part="chapter2" ref="N101A6" type="section">2.1</cms:entry><cms:entry id="N101B3" part="chapter2" ref="N101B3" type="section">2.2</cms:entry><cms:entry id="N101BC" part="chapter2" ref="N101BC" type="section">2.3</cms:entry><cms:entry id="N101C0" part="chapter2" ref="N101C0" type="pagenumber">11</cms:entry><cms:entry id="N101C5" part="chapter2" ref="N101C5" type="subsection">2.3.1</cms:entry><cms:entry id="N101D9" part="chapter2" ref="N101D9" type="table"/><cms:entry id="N10271" part="chapter2" ref="N10271" type="pagenumber">12</cms:entry><cms:entry id="N10277" part="chapter2" ref="N10277" type="subsection">2.3.2</cms:entry><cms:entry id="N102B4" part="chapter2" ref="N102B4" type="table"/><cms:entry id="N102EF" part="chapter2" ref="N102EF" type="subsection">2.3.3</cms:entry><cms:entry id="N10321" part="chapter2" ref="N10321" type="pagenumber">13</cms:entry><cms:entry id="N10327" part="chapter2" ref="N10327" type="subsection">2.3.4</cms:entry><cms:entry id="N10331" part="chapter2" ref="N10331" type="table"/><cms:entry id="N10390" part="chapter2" ref="N10390" type="section">2.4</cms:entry><cms:entry id="N103A9" part="chapter2" ref="N103A9" type="table"/><cms:entry id="N10434" part="chapter2" ref="N10434" type="pagenumber">14</cms:entry><cms:entry id="N10464" part="chapter2" ref="N10464" type="table"/><cms:entry id="N104B3" part="chapter2" ref="N104B3" type="section">2.5</cms:entry><cms:entry id="N104B7" part="chapter2" ref="N104B7" type="pagenumber">15</cms:entry><cms:entry id="chapter3" part="chapter3" ref="chapter3" type="chapter">3</cms:entry><cms:entry id="N104DB" part="chapter3" ref="N104DB" type="pagenumber">16</cms:entry><cms:entry id="N104E7" part="chapter3" ref="N104E7" type="section">3.1</cms:entry><cms:entry id="N104EB" part="chapter3" ref="N104EB" type="pagenumber">17</cms:entry><cms:entry id="N104F5" part="chapter3" ref="N104F5" type="table"/><cms:entry id="N10656" part="chapter3" ref="N10656" type="section">3.2</cms:entry><cms:entry id="N1065D" part="chapter3" ref="N1065D" type="table"/><cms:entry id="N10759" part="chapter3" ref="N10759" type="pagenumber">18</cms:entry><cms:entry id="N1075F" part="chapter3" ref="N1075F" type="section">3.3</cms:entry><cms:entry id="N10766" part="chapter3" ref="N10766" type="table"/><cms:entry id="N107FE" part="chapter3" ref="N107FE" type="table"/><cms:entry id="N108D2" part="chapter3" ref="N108D2" type="table"/><cms:entry id="N10A36" part="chapter3" ref="N10A36" type="pagenumber">19</cms:entry><cms:entry id="N10A3C" part="chapter3" ref="N10A3C" type="section">3.4</cms:entry><cms:entry id="N10A41" part="chapter3" ref="N10A41" type="subsection">3.4.1</cms:entry><cms:entry id="N10A4E" part="chapter3" ref="N10A4E" type="mm">579#331</cms:entry><cms:entry id="N10A59" part="chapter3" ref="N10A59" type="table"/><cms:entry id="N10A60" part="chapter3" ref="N10A60" type="pagenumber">20</cms:entry><cms:entry id="N10AF5" part="chapter3" ref="N10AF5" type="table"/><cms:entry id="N10BB8" part="chapter3" ref="N10BB8" type="pagenumber">21</cms:entry><cms:entry id="N10BBC" part="chapter3" ref="N10BBC" type="mm">579#331</cms:entry><cms:entry id="N10BC7" part="chapter3" ref="N10BC7" type="mm">579#331</cms:entry><cms:entry id="N10BD2" part="chapter3" ref="N10BD2" type="pagenumber">22</cms:entry><cms:entry id="N10BD6" part="chapter3" ref="N10BD6" type="mm">579#331</cms:entry><cms:entry id="N10BE1" part="chapter3" ref="N10BE1" type="mm">579#331</cms:entry><cms:entry id="N10BEC" part="chapter3" ref="N10BEC" type="table"/><cms:entry id="N10BF3" part="chapter3" ref="N10BF3" type="pagenumber">23</cms:entry><cms:entry id="N10CB6" part="chapter3" ref="N10CB6" type="subsection">3.4.2</cms:entry><cms:entry id="N10CBD" part="chapter3" ref="N10CBD" type="mm">579#328</cms:entry><cms:entry id="N10CC8" part="chapter3" ref="N10CC8" type="table"/><cms:entry id="N10CCF" part="chapter3" ref="N10CCF" type="pagenumber">24</cms:entry><cms:entry id="N10D68" part="chapter3" ref="N10D68" type="table"/><cms:entry id="N10E2B" part="chapter3" ref="N10E2B" type="pagenumber">25</cms:entry><cms:entry id="N10E2F" part="chapter3" ref="N10E2F" type="mm">579#331</cms:entry><cms:entry id="N10E3A" part="chapter3" ref="N10E3A" type="mm">579#331</cms:entry><cms:entry id="N10E45" part="chapter3" ref="N10E45" type="pagenumber">26</cms:entry><cms:entry id="N10E4E" part="chapter3" ref="N10E4E" type="mm">579#331</cms:entry><cms:entry id="N10E59" part="chapter3" ref="N10E59" type="pagenumber">27</cms:entry><cms:entry id="N10E5D" part="chapter3" ref="N10E5D" type="mm">579#331</cms:entry><cms:entry id="N10E68" part="chapter3" ref="N10E68" type="table"/><cms:entry id="N10F2E" part="chapter3" ref="N10F2E" type="subsection">3.4.3</cms:entry><cms:entry id="N10F37" part="chapter3" ref="N10F37" type="pagenumber">28</cms:entry><cms:entry id="N10F3E" part="chapter3" ref="N10F3E" type="mm">579#331</cms:entry><cms:entry id="N10F49" part="chapter3" ref="N10F49" type="table"/><cms:entry id="N10FDF" part="chapter3" ref="N10FDF" type="pagenumber">29</cms:entry><cms:entry id="N10FE6" part="chapter3" ref="N10FE6" type="table"/><cms:entry id="N110A9" part="chapter3" ref="N110A9" type="mm">579#331</cms:entry><cms:entry id="N110B4" part="chapter3" ref="N110B4" type="pagenumber">30</cms:entry><cms:entry id="N110B8" part="chapter3" ref="N110B8" type="mm">579#331</cms:entry><cms:entry id="N110C8" part="chapter3" ref="N110C8" type="pagenumber">31</cms:entry><cms:entry id="N110CC" part="chapter3" ref="N110CC" type="mm">579#331</cms:entry><cms:entry id="N110D7" part="chapter3" ref="N110D7" type="mm">579#328</cms:entry><cms:entry id="N110E2" part="chapter3" ref="N110E2" type="table"/><cms:entry id="N110E9" part="chapter3" ref="N110E9" type="pagenumber">32</cms:entry><cms:entry id="N111AF" part="chapter3" ref="N111AF" type="subsection">3.4.4</cms:entry><cms:entry id="N111B4" part="chapter3" ref="N111B4" type="block">3.4.4.1</cms:entry><cms:entry id="N111BB" part="chapter3" ref="N111BB" type="table"/><cms:entry id="N113BC" part="chapter3" ref="N113BC" type="pagenumber">33</cms:entry><cms:entry id="_1107541290" part="chapter3" ref="_1107541290" type="link"/><cms:entry id="_1107541447" part="chapter3" ref="_1107541447" type="link"/><cms:entry id="_1109259892" part="chapter3" ref="_1109259892" type="link"/><cms:entry id="N113C9" part="chapter3" ref="N113C9" type="mm">457#304</cms:entry><cms:entry id="N113D7" part="chapter3" ref="N113D7" type="table"/><cms:entry id="N114E8" part="chapter3" ref="N114E8" type="pagenumber">34</cms:entry><cms:entry id="N114F2" part="chapter3" ref="N114F2" type="table"/><cms:entry id="N117FA" part="chapter3" ref="N117FA" type="block">3.4.4.2</cms:entry><cms:entry id="N117FE" part="chapter3" ref="N117FE" type="pagenumber">35</cms:entry><cms:entry id="N11805" part="chapter3" ref="N11805" type="table"/><cms:entry id="N11904" part="chapter3" ref="N11904" type="block">3.4.4.3</cms:entry><cms:entry id="N1190E" part="chapter3" ref="N1190E" type="table"/><cms:entry id="N11915" part="chapter3" ref="N11915" type="pagenumber">36</cms:entry><cms:entry id="N11986" part="chapter3" ref="N11986" type="mm">549#366</cms:entry><cms:entry id="N11991" part="chapter3" ref="N11991" type="subsection">3.4.5</cms:entry><cms:entry id="N11995" part="chapter3" ref="N11995" type="pagenumber">37</cms:entry><cms:entry id="N1199C" part="chapter3" ref="N1199C" type="table"/><cms:entry id="N11C7E" part="chapter3" ref="N11C7E" type="block">3.4.5.1</cms:entry><cms:entry id="N11C82" part="chapter3" ref="N11C82" type="pagenumber">38</cms:entry><cms:entry id="_1107542267" part="chapter3" ref="_1107542267" type="link"/><cms:entry id="_1109260016" part="chapter3" ref="_1109260016" type="link"/><cms:entry id="_1109260313" part="chapter3" ref="_1109260313" type="link"/><cms:entry id="_1109260321" part="chapter3" ref="_1109260321" type="link"/><cms:entry id="_1112517693" part="chapter3" ref="_1112517693" type="link"/><cms:entry id="N11C9B" part="chapter3" ref="N11C9B" type="mm">378#252</cms:entry><cms:entry id="N11CAB" part="chapter3" ref="N11CAB" type="pagenumber">39</cms:entry><cms:entry id="_1107542335" part="chapter3" ref="_1107542335" type="link"/><cms:entry id="_1109260475" part="chapter3" ref="_1109260475" type="link"/><cms:entry id="_1109260621" part="chapter3" ref="_1109260621" type="link"/><cms:entry id="_1109260645" part="chapter3" ref="_1109260645" type="link"/><cms:entry id="_1109273933" part="chapter3" ref="_1109273933" type="link"/><cms:entry id="_1111661620" part="chapter3" ref="_1111661620" type="link"/><cms:entry id="N11CC1" part="chapter3" ref="N11CC1" type="mm">381#253</cms:entry><cms:entry id="_1107542384" part="chapter3" ref="_1107542384" type="link"/><cms:entry id="_1109260696" part="chapter3" ref="_1109260696" type="link"/><cms:entry id="N11CD9" part="chapter3" ref="N11CD9" type="mm">378#252</cms:entry><cms:entry id="chapter4" part="chapter4" ref="chapter4" type="chapter">4</cms:entry><cms:entry id="N11CEC" part="chapter4" ref="N11CEC" type="pagenumber">40</cms:entry><cms:entry id="N11D1D" part="chapter4" ref="N11D1D" type="section">4.1</cms:entry><cms:entry id="N11D21" part="chapter4" ref="N11D21" type="pagenumber">41</cms:entry><cms:entry id="N11D41" part="chapter4" ref="N11D41" type="section">4.2</cms:entry><cms:entry id="N11D45" part="chapter4" ref="N11D45" type="pagenumber">42</cms:entry><cms:entry id="N11D66" part="chapter4" ref="N11D66" type="section">4.3</cms:entry><cms:entry id="N11D83" part="chapter4" ref="N11D83" type="pagenumber">43</cms:entry><cms:entry id="N11D9A" part="chapter4" ref="N11D9A" type="pagenumber">44</cms:entry><cms:entry id="_1111428054" part="chapter4" ref="_1111428054" type="link"/><cms:entry id="_1111428192" part="chapter4" ref="_1111428192" type="link"/><cms:entry id="N11DA4" part="chapter4" ref="N11DA4" type="mm">540#234</cms:entry><cms:entry id="N11DCC" part="chapter4" ref="N11DCC" type="pagenumber">45</cms:entry><cms:entry id="N11DD6" part="chapter4" ref="N11DD6" type="section">4.4</cms:entry><cms:entry id="N11DE2" part="chapter4" ref="N11DE2" type="table"/><cms:entry id="N11EE9" part="chapter4" ref="N11EE9" type="pagenumber">46</cms:entry><cms:entry id="N11F0D" part="chapter4" ref="N11F0D" type="pagenumber">47</cms:entry><cms:entry id="N11F31" part="chapter4" ref="N11F31" type="section">4.5</cms:entry><cms:entry id="N11F5A" part="chapter4" ref="N11F5A" type="pagenumber">48</cms:entry><cms:entry id="N11F7A" part="chapter4" ref="N11F7A" type="pagenumber">49</cms:entry><cms:entry id="N11FBA" part="chapter4" ref="N11FBA" type="pagenumber">50</cms:entry><cms:entry id="N11FF1" part="chapter4" ref="N11FF1" type="section">4.6</cms:entry><cms:entry id="N12001" part="chapter4" ref="N12001" type="pagenumber">51</cms:entry><cms:entry id="chapter5" part="chapter5" ref="chapter5" type="chapter">5</cms:entry><cms:entry id="N1201C" part="chapter5" ref="N1201C" type="pagenumber">52</cms:entry><cms:entry id="N1202E" part="N1202E" ref="N1202E" type="abbreviation">
								Abkürzungsverzeichnis</cms:entry><cms:entry id="N12035" part="N1202E" ref="N12035" type="table"/><cms:entry ref="N12122" type="bibliography">
				
Literaturverzeichnis</cms:entry><cms:entry ref="N12126" type="pagenumber">53</cms:entry><cms:entry ref="_bib56" type="citation"/><cms:entry ref="_bib57" type="citation"/><cms:entry ref="_bib76" type="citation"/><cms:entry ref="_bib25" type="citation"/><cms:entry ref="_bib55" type="citation"/><cms:entry ref="_bib77" type="citation"/><cms:entry ref="_bib82" type="citation"/><cms:entry ref="_bib69" type="citation"/><cms:entry ref="_bib58" type="citation"/><cms:entry ref="_bib79" type="citation"/><cms:entry ref="_bib59" type="citation"/><cms:entry ref="_bib92" type="citation"/><cms:entry ref="_bib32" type="citation"/><cms:entry ref="_bib1" type="citation"/><cms:entry ref="_bib53" type="citation"/><cms:entry ref="_bib2" type="citation"/><cms:entry ref="_bib73" type="citation"/><cms:entry ref="_bib24" type="citation"/><cms:entry ref="_bib75" type="citation"/><cms:entry ref="_bib9" type="citation"/><cms:entry ref="_bib10" type="citation"/><cms:entry ref="_bib62" type="citation"/><cms:entry ref="_bib8" type="citation"/><cms:entry ref="_bib26" type="citation"/><cms:entry ref="_bib27" type="citation"/><cms:entry ref="_bib28" type="citation"/><cms:entry ref="_bib78" type="citation"/><cms:entry ref="_bib31" type="citation"/><cms:entry ref="_bib6" type="citation"/><cms:entry ref="_bib30" type="citation"/><cms:entry ref="_bib47" type="citation"/><cms:entry ref="_bib84" type="citation"/><cms:entry ref="_bib85" type="citation"/><cms:entry ref="_bib54" type="citation"/><cms:entry ref="_bib4" type="citation"/><cms:entry ref="_bib65" type="citation"/><cms:entry ref="_bib68" type="citation"/><cms:entry ref="_bib64" type="citation"/><cms:entry ref="_bib63" type="citation"/><cms:entry ref="_bib70" type="citation"/><cms:entry ref="_bib52" type="citation"/><cms:entry ref="_bib14" type="citation"/><cms:entry ref="_bib15" type="citation"/><cms:entry ref="_bib33" type="citation"/><cms:entry ref="_bib81" type="citation"/><cms:entry ref="_bib16" type="citation"/><cms:entry ref="_bib17" type="citation"/><cms:entry ref="_bib18" type="citation"/><cms:entry ref="_bib86" type="citation"/><cms:entry ref="_bib87" type="citation"/><cms:entry ref="_bib67" type="citation"/><cms:entry ref="_bib13" type="citation"/><cms:entry ref="_bib93" type="citation"/><cms:entry ref="_bib43" type="citation"/><cms:entry ref="_bib45" type="citation"/><cms:entry ref="_bib44" type="citation"/><cms:entry ref="_bib71" type="citation"/><cms:entry ref="_bib34" type="citation"/><cms:entry ref="_bib49" type="citation"/><cms:entry ref="_bib48" type="citation"/><cms:entry ref="_bib38" type="citation"/><cms:entry ref="_bib39" type="citation"/><cms:entry ref="_bib46" type="citation"/><cms:entry ref="_bib40" type="citation"/><cms:entry ref="_bib41" type="citation"/><cms:entry ref="_bib83" type="citation"/><cms:entry ref="_bib88" type="citation"/><cms:entry ref="_bib23" type="citation"/><cms:entry ref="_bib19" type="citation"/><cms:entry ref="_bib72" type="citation"/><cms:entry ref="_bib91" type="citation"/><cms:entry ref="_bib21" type="citation"/><cms:entry ref="_bib74" type="citation"/><cms:entry ref="_bib22" type="citation"/><cms:entry ref="_bib42" type="citation"/><cms:entry ref="_bib95" type="citation"/><cms:entry ref="_bib89" type="citation"/><cms:entry ref="_bib96" type="citation"/><cms:entry ref="_bib12" type="citation"/><cms:entry ref="_bib66" type="citation"/><cms:entry ref="_bib90" type="citation"/><cms:entry ref="_bib80" type="citation"/><cms:entry ref="_bib36" type="citation"/><cms:entry ref="_bib50" type="citation"/><cms:entry ref="_bib98" type="citation"/><cms:entry ref="_bib37" type="citation"/><cms:entry ref="_bib61" type="citation"/><cms:entry ref="_bib94" type="citation"/><cms:entry ref="_bib35" type="citation"/><cms:entry ref="_bib29" type="citation"/><cms:entry id="N12D4B" part="N12D4B" ref="N12D4B" type="acknowledgement">
Danksagungen</cms:entry><cms:entry id="N12D4E" part="N12D4B" ref="N12D4E" type="pagenumber">61</cms:entry><cms:entry id="N12D5E" part="N12D4B" ref="N12D5E" type="pagenumber">62</cms:entry><cms:entry id="N12D6C" part="N12D6C" ref="N12D6C" type="declaration">Eidesstattliche Erklärung</cms:entry><cms:entry type=":lang">de</cms:entry><cms:entry id=":contents" part="front" ref=":contents" type=":contents">Inhaltsverzeichnis</cms:entry><cms:entry type=":help"><url href="http://...">Hilfe</url></cms:entry></cms:meta><cms:content><bibliography id="N12122">
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Literaturverzeichnis</head>
			
				<citation id="_bib56" published="yes" workType="Journal">
					<cut>[1]</cut>            <workauthor>David, M.; Reuleaux, H. and Vetter, K.</workauthor> (<pubdate>2001</pubdate>): <articletitle>Perinataldaten-Vergleich der Kliniken in Berlin-Ost und -West 1993 bis 1999</articletitle>, <worktitle>Frauenarzt</worktitle>, (vol. <volume>42</volume>), pp.<pages>510-529</pages>. </citation>
			
			
				<citation id="_bib57" published="yes" workType="Journal">
					<cut>[2]</cut>            <workauthor>Rjosk, HK.; Haeske-Seeberg, H.; Seeberg, B. and Kreuzer, E.</workauthor> (<pubdate>1995</pubdate>): <articletitle>IVF, ICSI, KRYO, GIFT Ergebnisse in Deutschland 1995</articletitle>, <worktitle>Frauenarzt</worktitle>, (vol. <volume>38</volume>), pp.<pages>237-253</pages>. </citation>
			
			
				<citation id="_bib76" published="yes" workType="Journal">
					<cut>[3]</cut>            <workauthor>Vetter, K.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Mehrlingsschwangerschaft und Dopplersonographie</articletitle>, <worktitle>Seminar der AG Dopplersonographie und maternofetale Medizin</worktitle>. </citation>
			
			
				<citation id="_bib25" published="yes" workType="Journal">
					<cut>[4]</cut>            <workauthor>Briese, V.; Falkert, U.; Plesse, R. and Muller, H.</workauthor> (<pubdate>1994</pubdate>): <articletitle>[Analysis of 122 twin deliveries with special reference to morbidity and mortality of the second twin]</articletitle>, <worktitle>Zentralbl Gynakol</worktitle>, (vol. <volume>116</volume>), No. <number>1</number>, pp.<pages>38-43</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8147179" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8147179</url>
				</citation>
			
			
				<citation id="_bib55" published="yes" workType="Journal">
					<cut>[5]</cut>            <workauthor>Luke, B. and Keith, L. G.</workauthor> (<pubdate>1992</pubdate>): <articletitle>The contribution of singletons, twins and triplets to low birth weight, infant mortality and handicap in the United States</articletitle>, <worktitle>J Reprod Med</worktitle>, (vol. <volume>37</volume>), No. <number>8</number>, pp.<pages>661-6</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1432978" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1432978</url>
				</citation>
			
			
				<citation id="_bib77" published="yes" workType="Book">
					<cut>[6]</cut>            <workauthor>Wernicke, K.</workauthor> (<pubdate>1987</pubdate>): <articletitle>Mehrlingsschwangerschaft</articletitle>, <editor>Halberstadt, E.</editor>, Ed, <worktitle>Klinik der Frauenheilkunde und Geburtshilfe Bd. 6</worktitle>, <publisher>Urban &amp; Schwarzenberg</publisher>, <address>München-Wien-Baltimore</address>. </citation>
			
			
				<citation id="_bib82" published="yes" workType="Book">
					<cut>[7]</cut>            <workauthor>Baldwin, VJ.</workauthor> (<pubdate>1994</pubdate>): <articletitle>Pathology of multiple pregnancy</articletitle>, <publisher>Springer</publisher>, <address>Berlin Heidelberg New York</address>. </citation>
			
			
				<citation id="_bib69" published="yes" workType="Journal">
					<cut>[8]</cut>            <workauthor>Dudenhausen, JW.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Diagnostik und Management der Mehrlingsschwangerschaft</articletitle>, <worktitle>Frauenarzt</worktitle>, (vol. <volume>39</volume>), pp.<pages>1265-1269</pages>. </citation>
			
			
				<citation id="_bib58" published="yes" workType="Journal">
					<cut>[9]</cut>            <workauthor>Crombach, G. and Bender, HG.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Spezielle Aspekte der Betreuung von Mehrlingsschwangerschaften</articletitle>, <worktitle>Gynäkologe</worktitle>, (vol. <volume>31</volume>),<pages> p.197</pages>. </citation>
			
			
				<citation id="_bib79" published="yes" workType="Journal">
					<cut>[10]</cut>            <workauthor>Gonser, M. and Vetter, K.</workauthor> (<pubdate>1995</pubdate>): <articletitle>Diagnostic and clinical value of Doppler ultrasound in obstetrics</articletitle>, <worktitle>Geburtshilfe Frauenheilkd</worktitle>, (vol. <volume>55</volume>), pp.<pages>605-615</pages>. </citation>
			
			
				<citation id="_bib59" published="yes" workType="Journal">
					<cut>[11]</cut>            <workauthor>Tutschek, B.; Reihs, T. and Crombach, G.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Diagnostik und Prognose von Mehrlingsgraviditäten im 1. Trimenon</articletitle>, <worktitle>Gynäkologe</worktitle>, (vol. <volume>31</volume>), pp.<pages>209-217</pages>. </citation>
			
			
				<citation id="_bib92" published="yes" workType="Journal">
					<cut>[12]</cut>            <workauthor>Benirschke, K.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Klassifikation und Plazentationsverhältnisse bei der Mehrlingsgravidität</articletitle>, <worktitle>Gynäkologe</worktitle>, (vol. <volume>31</volume>), pp.<pages>198-202</pages>. </citation>
			
			
				<citation id="_bib32" published="yes" workType="Journal">
					<cut>[13]</cut>            <workauthor>Saunders, N. J.; Snijders, R. J. and Nicolaides, K. H.</workauthor> (<pubdate>1991</pubdate>): <articletitle>Twin-twin transfusion syndrome during the 2nd trimester is associated with small intertwin hemoglobin differences</articletitle>, <worktitle>Fetal Diagn Ther</worktitle>, (vol. <volume>6</volume>), No. <number>1-2</number>, pp.<pages>34-6</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1768344" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1768344</url>
				</citation>
			
			
				<citation id="_bib1" published="yes" workType="Journal">
					<cut>[14]</cut>            <workauthor>Derom, C.; Vlietinck, R.; Derom, R.; Van den Berghe, H. and Thiery, M.</workauthor> (<pubdate>1987</pubdate>): <articletitle>Increased monozygotic twinning rate after ovulation induction</articletitle>, <worktitle>Lancet</worktitle>, (vol. <volume>1</volume>), No. <number>8544</number>, pp.<pages>1236-8</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2884372" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2884372</url>
				</citation>
			
			
				<citation id="_bib53" published="yes" workType="Journal">
					<cut>[15]</cut>            <workauthor>MacGillivray, I.</workauthor> (<pubdate>1986</pubdate>): <articletitle>Epidemiology of twin pregnancy</articletitle>, <worktitle>Semin Perinatol</worktitle>, (vol. <volume>10</volume>), No. <number>1</number>, pp.<pages>4-8</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3764449" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3764449</url>
				</citation>
			
			
				<citation id="_bib2" published="yes" workType="Journal">
					<cut>[16]</cut>            <workauthor>Wenstrom, K. D.; Syrop, C. H.; Hammitt, D. G. and Van Voorhis, B. J.</workauthor> (<pubdate>1993</pubdate>): <articletitle>Increased risk of monochorionic twinning associated with assisted reproduction</articletitle>, <worktitle>Fertil Steril</worktitle>, (vol. <volume>60</volume>), No. <number>3</number>, pp.<pages>510-4</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8375535" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8375535</url>
				</citation>
			
			
				<citation id="_bib73" published="yes" workType="Book">
					<cut>[17]</cut>            <workauthor>Derom, R.; Derom, C. and Vlietinck, R.</workauthor> (<pubdate>1995</pubdate>): <articletitle>Placentation</articletitle>, <editor>Keith, LG.; Papiernik, E.; Keith, DM. and Luke, B.</editor>, Eds, <worktitle>Multiple pregnancy-epidemiology, gestation and perinatal outcome</worktitle>, pp. <pages>113-118</pages>, <publisher>Parthenon Publishing</publisher>, <address>New York, London</address>. </citation>
			
			
				<citation id="_bib24" published="yes" workType="Journal">
					<cut>[18]</cut>            <workauthor>Low, J. A.</workauthor> (<pubdate>1991</pubdate>): <articletitle>The current status of maternal and fetal blood flow velocimetry</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>164</volume>), No. <number>4</number>, pp.<pages>1049-63</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2014826" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2014826</url>
				</citation>
			
			
				<citation id="_bib75" published="yes" workType="Journal">
					<cut>[19]</cut>            <workauthor>Schneider, KTM.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Indikation zur Dopplersonographie während der Schwangerschaft</articletitle>, <worktitle>Seminar der AG Dopplersonographie und maternofetale Medizin</worktitle>. </citation>
			
			
				<citation id="_bib9" published="yes" workType="Journal">
					<cut>[20]</cut>            <workauthor>Gerson, A. G.; Wallace, D. M.; Bridgens, N. K.; Ashmead, G. G.; Weiner, S. and Bolognese, R. J.</workauthor> (<pubdate>1987</pubdate>): <articletitle>Duplex Doppler ultrasound in the evaluation of growth in twin pregnancies</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>70</volume>), No. <number>3 Pt 1</number>, pp.<pages>419-23</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3306502" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3306502</url>
				</citation>
			
			
				<citation id="_bib10" published="yes" workType="Journal">
					<cut>[21]</cut>            <workauthor>Gerson, A.; Johnson, A.; Wallace, D.; Bottalico, J.; Weiner, S. and Bolognese, R.</workauthor> (<pubdate>1988</pubdate>): <articletitle>Umbilical arterial systolic/diastolic values in normal twin gestation</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>72</volume>), No. <number>2</number>, pp.<pages>205-8</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3292978" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3292978</url>
				</citation>
			
			
				<citation id="_bib62" published="yes" workType="Journal">
					<cut>[22]</cut>            <workauthor>Seelbach-Göbel, B.; Kaesemann, H. and Roos, Th.</workauthor> (<pubdate>1992</pubdate>): <articletitle>Dopplersonographische Differentialdiagnostik bei Zwillingsschwangerschaften</articletitle>, <worktitle>Z Geburtsh u Perinat</worktitle>, (vol. <volume>196</volume>), pp.<pages>26-32</pages>. </citation>
			
			
				<citation id="_bib8" published="yes" workType="Journal">
					<cut>[23]</cut>            <workauthor>Giles, W. B.; Trudinger, B. J.; Cook, C. M. and Connelly, A.</workauthor> (<pubdate>1988</pubdate>): <articletitle>Umbilical artery flow velocity waveforms and twin pregnancy outcome</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>72</volume>), No. <number>6</number>, pp.<pages>894-7</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3186099" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3186099</url>
				</citation>
			
			
				<citation id="_bib26" published="yes" workType="Journal">
					<cut>[24]</cut>            <workauthor>Arabin, B.; Jimenez, E. and Saling, E.</workauthor> (<pubdate>1987</pubdate>): <articletitle>[Significance of Doppler blood flow studies in twin pregnancies]</articletitle>, <worktitle>Z Geburtshilfe Perinatol</worktitle>, (vol. <volume>191</volume>), No. <number>5</number>, pp.<pages>174-80</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3324522" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3324522</url>
				</citation>
			
			
				<citation id="_bib27" published="yes" workType="Journal">
					<cut>[25]</cut>            <workauthor>Farmakides, G.; Schulman, H.; Schneider, E.; Mesogitis, S. and Coury, A.</workauthor> (<pubdate>1989</pubdate>): <articletitle>Umbilical artery velocimetry in multiple pregnancy</articletitle>, <worktitle>Clin Obstet Gynecol</worktitle>, (vol. <volume>32</volume>), No. <number>4</number>, pp.<pages>687-91</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2692904" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2692904</url>
				</citation>
			
			
				<citation id="_bib28" published="yes" workType="Journal">
					<cut>[26]</cut>            <workauthor>Giles, W. B.; Trudinger, B. J. and Cook, C. M.</workauthor> (<pubdate>1985</pubdate>): <articletitle>Fetal umbilical artery flow velocity-time waveforms in twin pregnancies</articletitle>, <worktitle>Br J Obstet Gynaecol</worktitle>, (vol. <volume>92</volume>), No. <number>5</number>, pp.<pages>490-7</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3994932" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3994932</url>
				</citation>
			
			
				<citation id="_bib78" published="yes" workType="Journal">
					<cut>[27]</cut>            <workauthor>Grag, D.; Hütter, W.; Haller, T.; Sterzik, K. and Terinde, R.</workauthor> (<pubdate>1993</pubdate>): <articletitle>Diskordantes Wachstum bei Geminigravidität - Stellenwert der Dopplersonographie</articletitle>, <worktitle>Geburtshilfe Frauenheilkd</worktitle>, (vol. <volume>53</volume>), pp.<pages>42-48</pages>. </citation>
			
			
				<citation id="_bib31" published="yes" workType="Journal">
					<cut>[28]</cut>            <workauthor>Nimrod, C.; Davies, D.; Harder, J.; Dempster, C.; Dodd, G.; McDicken, N. and Nicholson, S.</workauthor> (<pubdate>1987</pubdate>): <articletitle>Doppler ultrasound prediction of fetal outcome in twin pregnancies</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>156</volume>), No. <number>2</number>, pp.<pages>402-6</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3548371" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3548371</url>
				</citation>
			
			
				<citation id="_bib6" published="yes" workType="Journal">
					<cut>[29]</cut>            <workauthor>Shah, Y. G.; Gragg, L. A.; Moodley, S. and Williams, G. W.</workauthor> (<pubdate>1992</pubdate>): <articletitle>Doppler velocimetry in concordant and discordant twin gestations</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>80</volume>), No. <number>2</number>, pp.<pages>272-6</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1635743" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1635743</url>
				</citation>
			
			
				<citation id="_bib30" published="yes" workType="Journal">
					<cut>[30]</cut>            <workauthor>Hastie, S. J.; Danskin, F.; Neilson, J. P. and Whittle, M. J.</workauthor> (<pubdate>1989</pubdate>): <articletitle>Prediction of the small for gestational age twin fetus by Doppler umbilical artery waveform analysis</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>74</volume>), No. <number>5</number>, pp.<pages>730-3</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2682413" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2682413</url>
				</citation>
			
			
				<citation id="_bib47" published="yes" workType="Journal">
					<cut>[31]</cut>            <workauthor>Blickstein, I.</workauthor> (<pubdate>1991</pubdate>): <articletitle>The definition, diagnosis, and management of growth-discordant twins: an international census survey</articletitle>, <worktitle>Acta Genet Med Gemellol (Roma)</worktitle>, (vol. <volume>40</volume>), No. <number>3-4</number>, pp.<pages>345-51</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1821511" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1821511</url>
				</citation>
			
			
				<citation id="_bib84" published="yes" workType="Journal">
					<cut>[32]</cut>            <workauthor>Gembruch, U.; Bald, R. and Hansmann, M.</workauthor> (<pubdate>1992</pubdate>): <articletitle>Doppler-Sonographie bei Mehrlingsschwangerschaften</articletitle>, <worktitle>Gynäkol Geburtshilfe Rundschau</worktitle>, (vol. <volume>32</volume>), pp.<pages>185-186</pages>. </citation>
			
			
				<citation id="_bib85" published="yes" workType="Journal">
					<cut>[33]</cut>            <workauthor>Kilavuz, Ö.; Hens, M.; Gasiorek-Wiens, A. and Vetter, K.</workauthor> (<pubdate>1996</pubdate>): <articletitle>Ultrasonographische Bestimmung der Chorionizität bei Zwillingsschwangerschaften</articletitle>, <worktitle>Deutscher Kongress für perinatale Medizin</worktitle>, <address>Dresden</address>. </citation>
			
			
				<citation id="_bib54" published="yes" workType="Journal">
					<cut>[34]</cut>            <workauthor>Kurmanavicius, J.; Baumann, H.; Huch, R. and Huch, A.</workauthor> (<pubdate>1989</pubdate>): <articletitle>Determination of the minimum number of cardiac cycles necessary to ensure representative blood flow velocity measurements</articletitle>, <worktitle>J Perinat Med</worktitle>, (vol. <volume>17</volume>), No. <number>1</number>, pp.<pages>33-9</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2664114" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2664114</url>
				</citation>
			
			
				<citation id="_bib4" published="yes" workType="Journal">
					<cut>[35]</cut>            <workauthor>Kurmanavicius, J.; Florio, I.; Wisser, J.; Hebisch, G.; Zimmermann, R.; Muller, R.; Huch, R. and Huch, A.</workauthor> (<pubdate>1997</pubdate>): <articletitle>Reference resistance indices of the umbilical, fetal middle cerebral and uterine arteries at 24-42 weeks of gestation</articletitle>, <worktitle>Ultrasound Obstet Gynecol</worktitle>, (vol. <volume>10</volume>), No. <number>2</number>, pp.<pages>112-20</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286020" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286020</url>
				</citation>
			
			
				<citation id="_bib65" published="yes" workType="Book">
					<cut>[36]</cut>            <workauthor>Cavalli-Sforza, L.</workauthor> (<pubdate>1969</pubdate>): <articletitle>Grundzüge biologisch-medizinischer Statistik</articletitle>, <publisher>Gustav Fischer</publisher>, <address>Jena</address>. </citation>
			
			
				<citation id="_bib68" published="yes" workType="Book">
					<cut>[37]</cut>            <workauthor>Raasch, D.</workauthor> (<pubdate>1989</pubdate>): <articletitle>Einführung in die Biostatistik</articletitle>, <edition>3. unveränderte Aufl.</edition>. ed., <publisher>Verlag Harri Deutsch</publisher>, <address>Thun, Frankfurt/Main</address>. </citation>
			
			
				<citation id="_bib64" published="yes" workType="Book">
					<cut>[38]</cut>            <workauthor>Storm, R.</workauthor> (<pubdate>1974</pubdate>): <articletitle>Wahrscheinlichkeitsrechnung, mathematische Statistik und statistische Qualitätskontrolle</articletitle> (vol. <volume>5., verbesserte Aufl.</volume>), <publisher>VEB Fachbuchverlag</publisher>, <address>Leipzig</address>. </citation>
			
			
				<citation id="_bib63" published="yes" workType="Book">
					<cut>[39]</cut>            <workauthor>Weber, E.</workauthor> (<pubdate>1972</pubdate>): <articletitle>Grundriss der biologischen Statistik</articletitle>, <publisher>Gustav Fischer</publisher>, <address>Jena</address>. </citation>
			
			
				<citation id="_bib70" published="yes" workType="Journal">
					<cut>[40]</cut>            <workauthor>Bielfeld, P. and Krüssel, JS.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Einfluss der assistierten Reproduktion auf die Inzidenz von Mehrlingsschwangerschaften</articletitle>, <worktitle>Gynäkologe</worktitle>, (vol. <volume>31</volume>), pp.<pages>203-208</pages>. </citation>
			
			
				<citation id="_bib52" published="yes" workType="Journal">
					<cut>[41]</cut>            <workauthor>Hecher, K.; Diehl, W.; Zikulnig, L.; Vetter, M. and Hackeloer, B. J.</workauthor> (<pubdate>2000</pubdate>): <articletitle>Endoscopic laser coagulation of placental anastomoses in 200 pregnancies with severe mid-trimester twin-to-twin transfusion syndrome</articletitle>, <worktitle>Eur J Obstet Gynecol Reprod Biol</worktitle>, (vol. <volume>92</volume>), No. <number>1</number>, pp.<pages>135-9</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=10986447" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=10986447</url>
				</citation>
			
			
				<citation id="_bib14" published="yes" workType="Journal">
					<cut>[42]</cut>            <workauthor>Ghai, V. and Vidyasagar, D.</workauthor> (<pubdate>1988</pubdate>): <articletitle>Morbidity and mortality factors in twins. An epidemiologic approach</articletitle>, <worktitle>Clin Perinatol</worktitle>, (vol. <volume>15</volume>), No. <number>1</number>, pp.<pages>123-40</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3286088" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3286088</url>
				</citation>
			
			
				<citation id="_bib15" published="yes" workType="Journal">
					<cut>[43]</cut>            <workauthor>McCulloch, K.</workauthor> (<pubdate>1988</pubdate>): <articletitle>Neonatal problems in twins</articletitle>, <worktitle>Clin Perinatol</worktitle>, (vol. <volume>15</volume>), No. <number>1</number>, pp.<pages>141-58</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3286090" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3286090</url>
				</citation>
			
			
				<citation id="_bib33" published="yes" workType="Journal">
					<cut>[44]</cut>            <workauthor>Machin, G.; Bamforth, F.; Innes, M. and McNichol, K.</workauthor> (<pubdate>1995</pubdate>): <articletitle>Some perinatal characteristics of monozygotic twins who are dichorionic</articletitle>, <worktitle>Am J Med Genet</worktitle>, (vol. <volume>55</volume>), No. <number>1</number>, pp.<pages>71-6</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7702101" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7702101</url>
				</citation>
			
			
				<citation id="_bib81" published="yes" workType="Book">
					<cut>[45]</cut>            <workauthor>Benirschke, K. and Kaufmann, P.</workauthor> (<pubdate>1990</pubdate>): <articletitle>Multiple pregnancies</articletitle>, <worktitle>Pathology of the human placenta</worktitle>, <edition>2</edition>. ed., <publisher>Springer</publisher>, <address>Berlin Heidelberg New York</address>. </citation>
			
			
				<citation id="_bib16" published="yes" workType="Journal">
					<cut>[46]</cut>            <workauthor>Fisk, N. M. and Bryan, E.</workauthor> (<pubdate>1993</pubdate>): <articletitle>Routine prenatal determination of chorionicity in multiple gestation: a plea to the obstetrician</articletitle>, <worktitle>Br J Obstet Gynaecol</worktitle>, (vol. <volume>100</volume>), No. <number>11</number>, pp.<pages>975-7</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8251466" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8251466</url>
				</citation>
			
			
				<citation id="_bib17" published="yes" workType="Journal">
					<cut>[47]</cut>            <workauthor>Sepulveda, W.</workauthor> (<pubdate>1997</pubdate>): <articletitle>Chorionicity determination in twin pregnancies: double trouble</articletitle>, <worktitle>Ultrasound Obstet Gynecol</worktitle>, (vol. <volume>10</volume>), No. <number>2</number>, pp.<pages>79-81</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286012" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286012</url>
				</citation>
			
			
				<citation id="_bib18" published="yes" workType="Journal">
					<cut>[48]</cut>            <workauthor>Monteagudo, A.; Timor-Tritsch, I. E. and Sharma, S.</workauthor> (<pubdate>1994</pubdate>): <articletitle>Early and simple determination of chorionic and amniotic type in multifetal gestations in the first fourteen weeks by high-frequency transvaginal ultrasonography</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>170</volume>), No. <number>3</number>, pp.<pages>824-9</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8141210" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8141210</url>
				</citation>
			
			
				<citation id="_bib86" published="yes" workType="Journal">
					<cut>[49]</cut>            <workauthor>Adamson, SL.; Whiteley, KJ. and Langille, BL.</workauthor> (<pubdate>1992</pubdate>): <articletitle>Pulsatile pressure-flow relations and pulse-wave propagation in the umbilical circulation of the fetal sheep</articletitle>, <worktitle>Circ Res</worktitle>, (vol. <volume>70</volume>), pp.<pages>761-772</pages>. </citation>
			
			
				<citation id="_bib87" published="yes" workType="Journal">
					<cut>[50]</cut>            <workauthor>Vieyres, P.; Durand, A.; Patat, F. and al., et</workauthor> (<pubdate>1991</pubdate>): <articletitle>Influence of the measurement location on the resistance index in the unbilical arteries: A clinical approach</articletitle>, <worktitle>J Ultrasound Med</worktitle>, (vol. <volume>10</volume>), pp.<pages>671-675</pages>. </citation>
			
			
				<citation id="_bib67" published="yes" workType="Book">
					<cut>[51]</cut>            <workauthor>Vogel, M.</workauthor> (<pubdate>1992</pubdate>): <articletitle>Atlas der morphologischen Plazentadiagnostik</articletitle>, <publisher>Springer Verlag</publisher>, <address>Berlin, Heidelberg</address>. </citation>
			
			
				<citation id="_bib13" published="yes" workType="Journal">
					<cut>[52]</cut>            <workauthor>Giles, W.; Trudinger, B.; Cook, C. and Connelly, A.</workauthor> (<pubdate>1993</pubdate>): <articletitle>Placental microvascular changes in twin pregnancies with abnormal umbilical artery waveforms</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>81</volume>), No. <number>4</number>, pp.<pages>556-9</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8459966" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8459966</url>
				</citation>
			
			
				<citation id="_bib93" published="yes" workType="Journal">
					<cut>[53]</cut>            <workauthor>Hitschold, T.; Weiss, E.; Beck, T.; Hunterfering, H. and Berle, P.</workauthor> (<pubdate>1993</pubdate>): <articletitle>Low target birth weight or growth retardation? Umbilical Doppler flow velocity waveforms and histometric analysis of fetoplacental vascular tree</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>168</volume>), pp.<pages>1260-4</pages>. </citation>
			
			
				<citation id="_bib43" published="yes" workType="Journal">
					<cut>[54]</cut>            <workauthor>Bronsteen, R.; Goyert, G. and Bottoms, S.</workauthor> (<pubdate>1989</pubdate>): <articletitle>Classification of twins and neonatal morbidity</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>74</volume>), No. <number>1</number>, pp.<pages>98-101</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2733950" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2733950</url>
				</citation>
			
			
				<citation id="_bib45" published="yes" workType="Journal">
					<cut>[55]</cut>            <workauthor>Sperling, L. and Tabor, A.</workauthor> (<pubdate>2001</pubdate>): <articletitle>Twin pregnancy: the role of ultrasound in management</articletitle>, <worktitle>Acta Obstet Gynecol Scand</worktitle>, (vol. <volume>80</volume>), No. <number>4</number>, pp.<pages>287-99</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=11264601" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=11264601</url>
				</citation>
			
			
				<citation id="_bib44" published="yes" workType="Journal">
					<cut>[56]</cut>            <workauthor>Yalcin, H. R.; Zorlu, C. G.; Lembet, A.; Ozden, S. and Gokmen, O.</workauthor> (<pubdate>1998</pubdate>): <articletitle>The significance of birth weight difference in discordant twins: a level to standardize?</articletitle>, <worktitle>Acta Obstet Gynecol Scand</worktitle>, (vol. <volume>77</volume>), No. <number>1</number>, pp.<pages>28-31</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9492713" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9492713</url>
				</citation>
			
			
				<citation id="_bib71" published="yes" workType="Journal">
					<cut>[57]</cut>            <workauthor>Beinder, E.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Besondere fetale Risikosituationen bei Mehrlingen im 2. und 3. Trimenon</articletitle>, <worktitle>Gynäkologe</worktitle>, (vol. <volume>31</volume>), pp.<pages>245-253</pages>. </citation>
			
			
				<citation id="_bib34" published="yes" workType="Journal">
					<cut>[58]</cut>            <workauthor>Snijder, M. J. and Wladimiroff, J. W.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Fetal biometry and outcome in monochorionic vs. dichorionic twin pregnancies; a retrospective cross-sectional matched-control study</articletitle>, <worktitle>Ultrasound Med Biol</worktitle>, (vol. <volume>24</volume>), No. <number>2</number>, pp.<pages>197-201</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9550178" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9550178</url>
				</citation>
			
			
				<citation id="_bib49" published="yes" workType="Journal">
					<cut>[59]</cut>            <workauthor>Divon, M. Y.; Girz, B. A.; Sklar, A.; Guidetti, D. A. and Langer, O.</workauthor> (<pubdate>1989</pubdate>): <articletitle>Discordant twins--a prospective study of the diagnostic value of real-time ultrasonography combined with umbilical artery velocimetry</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>161</volume>), No. <number>3</number>, pp.<pages>757-60</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2675606" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2675606</url>
				</citation>
			
			
				<citation id="_bib48" published="yes" workType="Journal">
					<cut>[60]</cut>            <workauthor>Erkkola, R.; Ala-Mello, S.; Piiroinen, O.; Kero, P. and Sillanpaa, M.</workauthor> (<pubdate>1985</pubdate>): <articletitle>Growth discordancy in twin pregnancies: a risk factor not detected by measurements of biparietal diameter</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>66</volume>), No. <number>2</number>, pp.<pages>203-6</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3895071" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3895071</url>
				</citation>
			
			
				<citation id="_bib38" published="yes" workType="Journal">
					<cut>[61]</cut>            <workauthor>Cheung, V. Y.; Bocking, A. D. and Dasilva, O. P.</workauthor> (<pubdate>1995</pubdate>): <articletitle>Preterm discordant twins: what birth weight difference is significant?</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>172</volume>), No. <number>3</number>, pp.<pages>955-9</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7892890" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7892890</url>
				</citation>
			
			
				<citation id="_bib39" published="yes" workType="Journal">
					<cut>[62]</cut>            <workauthor>O'Brien, W. F.; Knuppel, R. A.; Scerbo, J. C. and Rattan, P. K.</workauthor> (<pubdate>1986</pubdate>): <articletitle>Birth weight in twins: an analysis of discordancy and growth retardation</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>67</volume>), No. <number>4</number>, pp.<pages>483-6</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3515254" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3515254</url>
				</citation>
			
			
				<citation id="_bib46" published="yes" workType="Journal">
					<cut>[63]</cut>            <workauthor>Guaschino, S.; Spinillo, A.; Stola, E. and Pesando, P. C.</workauthor> (<pubdate>1987</pubdate>): <articletitle>Growth retardation, size at birth and perinatal mortality in twin pregnancy</articletitle>, <worktitle>Int J Gynaecol Obstet</worktitle>, (vol. <volume>25</volume>), No. <number>5</number>, pp.<pages>399-403</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2889635" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2889635</url>
				</citation>
			
			
				<citation id="_bib40" published="yes" workType="Journal">
					<cut>[64]</cut>            <workauthor>Eberle, A. M.; Levesque, D.; Vintzileos, A. M.; Egan, J. F.; Tsapanos, V. and Salafia, C. M.</workauthor> (<pubdate>1993</pubdate>): <articletitle>Placental pathology in discordant twins</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>169</volume>), No. <number>4</number>, pp.<pages>931-5</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8238151" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8238151</url>
				</citation>
			
			
				<citation id="_bib41" published="yes" workType="Journal">
					<cut>[65]</cut>            <workauthor>Robertson, E. G. and Neer, K. J.</workauthor> (<pubdate>1983</pubdate>): <articletitle>Placental injection studies in twin gestation</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>147</volume>), No. <number>2</number>, pp.<pages>170-4</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=6614097" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=6614097</url>
				</citation>
			
			
				<citation id="_bib83" published="yes" workType="Book">
					<cut>[66]</cut>            <workauthor>Benirscke, K. and Driscoll, JG.</workauthor> (<pubdate>1974</pubdate>): <articletitle>The pathology of the human placenta</articletitle>, <publisher>Springer</publisher>, <address>Berlin Heidelberg New York</address>. </citation>
			
			
				<citation id="_bib88" published="yes" workType="Journal">
					<cut>[67]</cut>            <workauthor>Bleisch, VR.</workauthor> (<pubdate>1965</pubdate>): <articletitle>Placental circulation of human twins</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>91</volume>), pp.<pages>862-869</pages>. </citation>
			
			
				<citation id="_bib23" published="yes" workType="Journal">
					<cut>[68]</cut>            <workauthor>Vetter, K.</workauthor> (<pubdate>1993</pubdate>): <articletitle>Considerations on growth discordant twins</articletitle>, <worktitle>J Perinat Med</worktitle>, (vol. <volume>21</volume>), No. <number>4</number>, pp.<pages>267-72</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8106936" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8106936</url>
				</citation>
			
			
				<citation id="_bib19" published="yes" workType="Journal">
					<cut>[69]</cut>            <workauthor>Bebbington, M. W. and Wittmann, B. K.</workauthor> (<pubdate>1989</pubdate>): <articletitle>Fetal transfusion syndrome: antenatal factors predicting outcome</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>160</volume>), No. <number>4</number>, pp.<pages>913-5</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2653042" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2653042</url>
				</citation>
			
			
				<citation id="_bib72" published="yes" workType="Journal">
					<cut>[70]</cut>            <workauthor>Benirschke, K.</workauthor> (<pubdate>1961</pubdate>): <articletitle>Twin placenta in perinatal mortality</articletitle>, <worktitle>NY State Med J</worktitle>, (vol. <volume>61</volume>),<pages> p.1499</pages>. </citation>
			
			
				<citation id="_bib91" published="yes" workType="Journal">
					<cut>[71]</cut>            <workauthor>Rausen, AR.; Seki, M. and Strauss, L.</workauthor> (<pubdate>1965</pubdate>): <articletitle>Twin transfusion syndrome</articletitle>, <worktitle>J Pediatr</worktitle>, (vol. <volume>66</volume>),<pages> p.613</pages>. </citation>
			
			
				<citation id="_bib21" published="yes" workType="Journal">
					<cut>[72]</cut>            <workauthor>Sebire, N. J.; D'Ercole, C.; Hughes, K.; Carvalho, M. and Nicolaides, K. H.</workauthor> (<pubdate>1997</pubdate>): <articletitle>Increased nuchal translucency thickness at 10-14 weeks of gestation as a predictor of severe twin-to-twin transfusion syndrome</articletitle>, <worktitle>Ultrasound Obstet Gynecol</worktitle>, (vol. <volume>10</volume>), No. <number>2</number>, pp.<pages>86-9</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286014" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286014</url>
				</citation>
			
			
				<citation id="_bib74" published="yes" workType="Book">
					<cut>[73]</cut>            <workauthor>Sadler, TW.</workauthor> (<pubdate>1995</pubdate>): <articletitle>Langman´s Medical Embryology</articletitle>, <publisher>Williams &amp; Wilkins</publisher>, <address>Baltimore</address>. </citation>
			
			
				<citation id="_bib22" published="yes" workType="Journal">
					<cut>[74]</cut>            <workauthor>Ville, Y.</workauthor> (<pubdate>1997</pubdate>): <articletitle>Monochorionic twin pregnancies: 'les liaisons dangereuses'</articletitle>, <worktitle>Ultrasound Obstet Gynecol</worktitle>, (vol. <volume>10</volume>), No. <number>2</number>, pp.<pages>82-5</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286013" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9286013</url>
				</citation>
			
			
				<citation id="_bib42" published="yes" workType="Journal">
					<cut>[75]</cut>            <workauthor>Fries, M. H.; Goldstein, R. B.; Kilpatrick, S. J.; Golbus, M. S.; Callen, P. W. and Filly, R. A.</workauthor> (<pubdate>1993</pubdate>): <articletitle>The role of velamentous cord insertion in the etiology of twin-twin transfusion syndrome</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>81</volume>), No. <number>4</number>, pp.<pages>569-74</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8459969" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8459969</url>
				</citation>
			
			
				<citation id="_bib95" published="yes" workType="Journal">
					<cut>[76]</cut>            <workauthor>Bajoria, R.; Wigglesworth, J. and Fisk, N. M.</workauthor> (<pubdate>1995</pubdate>): <articletitle>Angioarchitecture of monochorionic placentas in relation to the twin-twin transfusion syndrome</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>172</volume>), No. <number>3</number>, pp.<pages>856-63</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7892875" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7892875</url>
				</citation>
			
			
				<citation id="_bib89" published="yes" workType="Journal">
					<cut>[77]</cut>            <workauthor>Machin, G.; Still, K. and Lalani, T.</workauthor> (<pubdate>1996</pubdate>): <articletitle>Correlations of placental vascular anatomy and clinical outcomes in 69 monochorionic twin pregnancies</articletitle>, <worktitle>Am J Med Genet</worktitle>, (vol. <volume>55</volume>), pp.<pages>71-76</pages>. </citation>
			
			
				<citation id="_bib96" published="yes" workType="Journal">
					<cut>[78]</cut>            <workauthor>Denbow, M. L.; Cox, P.; Talbert, D. and Fisk, N. M.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Colour Doppler energy insonation of placental vasculature in monochorionic twins: absent arterio-arterial anastomoses in association with twin-to-twin transfusion syndrome</articletitle>, <worktitle>Br J Obstet Gynaecol</worktitle>, (vol. <volume>105</volume>), No. <number>7</number>, pp.<pages>760-5</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9692418" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9692418</url>
				</citation>
			
			
				<citation id="_bib12" published="yes" workType="Journal">
					<cut>[79]</cut>            <workauthor>Gaziano, E. P.; De Lia, J. E. and Kuhlmann, R. S.</workauthor> (<pubdate>2000</pubdate>): <articletitle>Diamnionic monochorionic twin gestations: an overview</articletitle>, <worktitle>J Matern Fetal Med</worktitle>, (vol. <volume>9</volume>), No. <number>2</number>, pp.<pages>89-96</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=10902821" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=10902821</url>
				</citation>
			
			
				<citation id="_bib66" published="yes" workType="Journal">
					<cut>[80]</cut>            <workauthor>Plath, H. and Hansmann, M.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Diagnostik und Therapie zwillingsspezifischer Anomalien</articletitle>, <worktitle>Gynäkologe</worktitle>, (vol. <volume>31</volume>), pp.<pages>229-244</pages>. </citation>
			
			
				<citation id="_bib90" published="yes" workType="Journal">
					<cut>[81]</cut>            <workauthor>Mahieu-Caputo, D.; Muller, F.; Joly, D.; Gubler, MC.; Leidois, J.; Fermont, L.; Dumez, Y. and Dommergues, M.</workauthor> (<pubdate>2001</pubdate>): <articletitle>Pathogenesis of twin-twin Transfusion Syndrome: The Renin-Angiotensin System Hypothesis</articletitle>, <worktitle>Fetal Diagn Ther</worktitle>, (vol. <volume>16</volume>), pp.<pages>241-244</pages>. </citation>
			
			
				<citation id="_bib80" published="yes" workType="Journal">
					<cut>[82]</cut>            <workauthor>Gembruch, U.; Bald, R. and Hansmann, M.</workauthor> (<pubdate>1991</pubdate>): <articletitle>Dopplersonographische Untersuchungen bei chronischem feto-fetalen Transfusionsyndrom</articletitle>, <worktitle>Ultraschall Klin Prax</worktitle>, (vol. <volume>6</volume>),<pages> p.164</pages>. </citation>
			
			
				<citation id="_bib36" published="yes" workType="Journal">
					<cut>[83]</cut>            <workauthor>Yamada, A.; Kasugai, M.; Ohno, Y.; Ishizuka, T.; Mizutani, S. and Tomoda, Y.</workauthor> (<pubdate>1991</pubdate>): <articletitle>Antenatal diagnosis of twin-twin transfusion syndrome by Doppler ultrasound</articletitle>, <worktitle>Obstet Gynecol</worktitle>, (vol. <volume>78</volume>), No. <number>6</number>, pp.<pages>1058-61</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1945207" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=1945207</url>
				</citation>
			
			
				<citation id="_bib50" published="yes" workType="Journal">
					<cut>[84]</cut>            <workauthor>Gaziano, E. P.; Knox, G. E.; Bendel, R. P.; Calvin, S. and Brandt, D.</workauthor> (<pubdate>1991</pubdate>): <articletitle>Is pulsed Doppler velocimetry useful in the management of multiple-gestation pregnancies?</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>164</volume>), No. <number>6 Pt 1</number>, pp.<pages>1426-31; discussion 1431-3</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2048588" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=2048588</url>
				</citation>
			
			
				<citation id="_bib98" published="yes" workType="Journal">
					<cut>[85]</cut>            <workauthor>Gaziano, E.; Gaziano, C. and Brandt, D.</workauthor> (<pubdate>1998</pubdate>): <articletitle>Doppler velocimetry determined redistribution of fetal blood flow: correlation with growth restriction in diamniotic monochorionic and dizygotic twins</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>178</volume>), No. <number>6</number>, pp.<pages>1359-67</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9662323" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=9662323</url>
				</citation>
			
			
				<citation id="_bib37" published="yes" workType="Journal">
					<cut>[86]</cut>            <workauthor>Hecher, K.; Ville, Y.; Snijders, R. and Nicolaides, K.</workauthor> (<pubdate>1995</pubdate>): <articletitle>Doppler studies of the fetal circulation in twin-twin transfusion syndrome</articletitle>, <worktitle>Ultrasound Obstet Gynecol</worktitle>, (vol. <volume>5</volume>), No. <number>5</number>, pp.<pages>318-24</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7614136" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=7614136</url>
				</citation>
			
			
				<citation id="_bib61" published="yes" workType="Book">
					<cut>[87]</cut>            <workauthor>Vetter, K.</workauthor> (<pubdate>1991</pubdate>): <articletitle>Dopplersonographie in der Schwangerschaft</articletitle>, <worktitle>Edition Medizin</worktitle>, <publisher>VCH</publisher>, <address>Weinheim; Basel; Cambridge; New York, NY</address>. </citation>
			
			
				<citation id="_bib94" published="yes" workType="Journal">
					<cut>[88]</cut>            <workauthor>Hecher, K.; Jauniaux, E.; Campbell, S.; Deane, C. and Nicolaides, K.</workauthor> (<pubdate>1994</pubdate>): <articletitle>Artery-to-artery anastomosis in monochorionic twins</articletitle>, <worktitle>Am J Obstet Gynecol</worktitle>, (vol. <volume>171</volume>), No. <number>2</number>, pp.<pages>570-2</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8059848" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=8059848</url>
				</citation>
			
			
				<citation id="_bib35" published="yes" workType="Journal">
					<cut>[89]</cut>            <workauthor>Pretorius, D. H.; Manchester, D.; Barkin, S.; Parker, S. and Nelson, T. R.</workauthor> (<pubdate>1988</pubdate>): <articletitle>Doppler ultrasound of twin transfusion syndrome</articletitle>, <worktitle>J Ultrasound Med</worktitle>, (vol. <volume>7</volume>), No. <number>3</number>, pp.<pages>117-24</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3280821" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3280821</url>
				</citation>
			
			
				<citation id="_bib29" published="yes" workType="Journal">
					<cut>[90]</cut>            <workauthor>Giles, W. B.; Trudinger, B. J. and Cook, C. M.</workauthor> (<pubdate>1985</pubdate>): <articletitle>Umbilical waveforms in twin pregnancy</articletitle>, <worktitle>Acta Genet Med Gemellol (Roma)</worktitle>, (vol. <volume>34</volume>), No. <number>3-4</number>, pp.<pages>233-7</pages>. <url href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3914168" type="URL">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;dopt=Citation&amp;list_uids=3914168</url>
				</citation>
			
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