Diabetes mellitus and duodenal ulceration.
D000293:Adolescent; D000328:Adult; D000368:Aged; D048909:Diabetes Complications; D004381:Duodenal Ulcer / Q000150:complications* / Q000453:epidemiology; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged