title: The Rh-Hr blood types: the anatomy of a controversy.
mesh_terms: D000017:ABO Blood-Group System / Q000145:classification; D001789:Blood Group Antigens / Q000145:classification*; D006801:Humans; D012204:Rh-Hr Blood-Group System / Q000145:classification; D009626:Terminology as Topic
chemical_list: D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System