[Placental function and enzyme activities].
D000469:Alkaline Phosphatase / Q000097:blood*; D000626:Aminopeptidases / Q000097:blood*; D003553:Cystine; D005260:Female; D006801:Humans; D008297:Male; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy; D011273:Pregnancy, Prolonged
D003553:Cystine; D000469:Alkaline Phosphatase; D000626:Aminopeptidases