Blood groups and disease:  rheumatic fever.
D001789:Blood Group Antigens; D006801:Humans; D012204:Rh-Hr Blood-Group System; D012213:Rheumatic Fever / Q000097:blood*
D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System
BLOOD GROUPS; RH FACTORS; RHEUMATIC FEVER/blood in