title: Frequent occurrence and rapid onset of chronic gastritis in healthy young adult subjects.
mesh_terms: D000126:Achlorhydria / Q000150:complications; D000293:Adolescent; D000328:Adult; D002169:Campylobacter Infections / Q000150:complications; D002908:Chronic Disease; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D005756:Gastritis / Q000209:etiology*; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged