Distribution of ABO blood groups in patients with pernicious anemia, gastric carcinoma and gastric carcinoma associated with pernicious anemia.
D000017:ABO Blood-Group System; D000752:Anemia, Pernicious / Q000150:complications*; D006801:Humans; D012463:Saliva; D013274:Stomach Neoplasms / Q000150:complications*
D000017:ABO Blood-Group System