The place of a definitive operation in the treatment of perforated duodenal ulcer.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004381:Duodenal Ulcer / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000401:mortality / Q000601:surgery*; D011183:Postoperative Complications / Q000453:epidemiology; D012189:Retrospective Studies