title: Distribution of the ABO, MN, Rh, Duffy and Kell blood groups in a random sample of Swedish men aged fifty.
mesh_terms: D000017:ABO Blood-Group System / Q000032:analysis*; D001789:Blood Group Antigens; D005828:Genetics, Population; D006801:Humans; D008297:Male; D008875:Middle Aged; D012204:Rh-Hr Blood-Group System / Q000032:analysis*; D012494:Sampling Studies; D013548:Sweden
chemical_list: D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System