A relationship between cancer of stomach and the ABO blood groups.
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D006402:Hematologic Diseases; D006801:Humans; D009369:Neoplasms / Q000097:blood*; D013274:Stomach Neoplasms
D000017:ABO Blood-Group System; D001789:Blood Group Antigens
BLOOD GROUPS; NEOPLASMS/blood in; STOMACH/neoplasms