title: [Blood groups].
mesh_terms: D000017:ABO Blood-Group System / Q000235:genetics* / Q000276:immunology; D014644:Genetic Variation; D005838:Genotype; D006801:Humans; D010641:Phenotype; D012204:Rh-Hr Blood-Group System / Q000235:genetics* / Q000276:immunology
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System