Campylobacter pylori, gastritis, and peptic ulcer disease in central Africa.
D000328:Adult; D002169:Campylobacter Infections / Q000150:complications* / Q000453:epidemiology; D004381:Duodenal Ulcer / Q000150:complications*; D005260:Female; D005756:Gastritis / Q000150:complications* / Q000453:epidemiology; D006801:Humans; D008297:Male; D011446:Prospective Studies; D012432:Rwanda