title: Molecular basis of ABO polymorphism.
mesh_terms: D000017:ABO Blood-Group System / Q000235:genetics*; D000483:Alleles; D002999:Clone Cells; D004247:DNA / Q000032:analysis; D015342:DNA Probes; D005838:Genotype; D006801:Humans; D011110:Polymorphism, Genetic / Q000235:genetics*; D012150:Polymorphism, Restriction Fragment Length; D014166:Transferases / Q000235:genetics
chemical_list: D000017:ABO Blood-Group System; D015342:DNA Probes; D004247:DNA; D014166:Transferases