title: Placental alkaline phosphatase phenotypes and pre-natal selection. Evidence from studies of spontaneous and induced abortions.
mesh_terms: D000028:Abortion, Induced; D000022:Abortion, Spontaneous / Q000201:enzymology*; D000469:Alkaline Phosphatase / Q000378:metabolism*; D004586:Electrophoresis; D005321:Extraembryonic Membranes / Q000201:enzymology*; D005260:Female; D005787:Gene Frequency; D005828:Genetics, Population; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010641:Phenotype; D010920:Placenta / Q000201:enzymology*; D011110:Polymorphism, Genetic; D011247:Pregnancy; D012641:Selection, Genetic; D013548:Sweden; D013997:Time Factors
chemical_list: D000469:Alkaline Phosphatase