TY - EJOUR T1 - The concentration of the elements Zn, Cu, Mg, Fe, Na, and K in human amniotic fluid during birth AU - Anastasiadis, P. AU - Atassi, S. AU - Rimpler, M. PY - 1981 LA - und PB - Kooperation de Gruyter JO - Journal of Perinatal Medicine - Official Journal of the WAPM DO - 10.1515/jpme.1981.9.5.228 ER -