Blood groups ABO and Rh (D) factor in the rheumatic diseases.
D000017:ABO Blood-Group System / Q000032:analysis*; D001789:Blood Group Antigens; D006801:Humans; D007592:Joint Diseases / Q000097:blood*; D012204:Rh-Hr Blood-Group System / Q000032:analysis*
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System