TY - RPRT TI - 6-alpha-hydroxylation in human placenta perfusion. AU - L Cédard AU - R Knuppen PY - 1965 DO - 10.1016/0039-128x(65)90006-1 UR - https://pubmed.ncbi.nlm.nih.gov/4222779/ ID - 4222779 ER -