Gastric cancer control.
D000126:Achlorhydria / Q000150:complications; D000752:Anemia, Pernicious / Q000150:complications; D001789:Blood Group Antigens; D002677:Chile; D004032:Diet; D005060:Europe; D005247:Feeding Behavior; D005260:Female; D005756:Gastritis / Q000150:complications; D006801:Humans; D007564:Japan; D008297:Male; D008403:Mass Screening; D009656:North America; D011127:Polyps / Q000150:complications; D012959:Socioeconomic Factors; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000401:mortality / Q000517:prevention & control*
D001789:Blood Group Antigens