title: Pregnancy enzymes and placental polymorphism. I. Alkaline phosphatse.
mesh_terms: D000017:ABO Blood-Group System; D000469:Alkaline Phosphatase / Q000378:metabolism*; D001669:Biochemical Phenomena; D001671:Biochemistry; D001724:Birth Weight; D004586:Electrophoresis; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System; D013347:Subcellular Fractions
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System; D000469:Alkaline Phosphatase