TY - EJOUR T1 - Pre-Analytical, Analytical and Biological Sources of Variation of Lipoprotein(a) AU - Panteghini, M. AU - Pagani, Franca PY - 1993 LA - und PB - Kooperation de Gruyter JO - Clinical Chemistry and Laboratory Medicine DO - 10.1515/cclm.1993.31.1.23 ER -