title: Placental alkaline phosphatase and ABO system polymorphisms: analysis of relationships among gene frequencies in human populations. Further evidence at the population level for an interaction between the two polymorphisms.
mesh_terms: D000017:ABO Blood-Group System; D000469:Alkaline Phosphatase / Q000097:blood*; D000483:Alleles; D001787:Blood Group Incompatibility; D005260:Female; D005787:Gene Frequency; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010641:Phenotype; D010920:Placenta / Q000201:enzymology*; D011110:Polymorphism, Genetic; D011247:Pregnancy
chemical_list: D000017:ABO Blood-Group System; D000469:Alkaline Phosphatase