title: The origin of human pregnancy serum oxytocinase.
mesh_terms: D000626:Aminopeptidases / Q000097:blood*; D010122:Cystinyl Aminopeptidase / Q000097:blood*; D004589:Electrophoresis, Disc; D005260:Female; D005312:Fetal Blood; D006358:Hot Temperature; D006801:Humans; D008247:Lysosomes / Q000201:enzymology* / Q000648:ultrastructure; D008431:Maternal-Fetal Exchange; D008715:Methionine / Q000494:pharmacology; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy
chemical_list: D008715:Methionine; D000626:Aminopeptidases; D010122:Cystinyl Aminopeptidase