Epidemiology and pathogenesis of gastric cancer.
D000328:Adult; D000368:Aged; D005260:Female; D005757:Gastritis, Atrophic / Q000150:complications; D006801:Humans; D007564:Japan / Q000208:ethnology; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000209:etiology*; D012306:Risk; D012744:Sex Ratio; D013274:Stomach Neoplasms / Q000453:epidemiology / Q000209:etiology*; D013276:Stomach Ulcer / Q000150:complications; D014481:United States