Rhesus and MN blood types.
D000818:Animals; D001789:Blood Group Antigens; D001803:Blood Transfusion; D006801:Humans; D008253:Macaca mulatta; D010437:Peptic Ulcer; D012204:Rh-Hr Blood-Group System
D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System
BLOOD GROUPS; BLOOD TRANSFUSION; PEPTIC ULCER; RH FACTORS