Duodenal ulcer disease at Kenyatta National Hospital.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001835:Body Weight; D004381:Duodenal Ulcer / Q000175:diagnosis*; D004384:Duodenoscopy; D005260:Female; D006801:Humans; D008297:Male; D011446:Prospective Studies; D012737:Sex Factors