[On phenotype associations of the ABO blood groups with gastric cancer and gastric and duodenal ulcer].
D001789:Blood Group Antigens / Q000706:statistics & numerical data*; D004381:Duodenal Ulcer; D006801:Humans; D009369:Neoplasms; D010437:Peptic Ulcer / Q000097:blood*; D010641:Phenotype; D013274:Stomach Neoplasms / Q000097:blood*
D001789:Blood Group Antigens
BLOOD GROUPS/statistics; PEPTIC ULCER/blood; STOMACH NEOPLASMS/blood