[Unusual complication of an inferiorly located duodenal ulcer].
D000368:Aged; D012809:Colon, Sigmoid; D004381:Duodenal Ulcer / Q000150:complications*; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D008297:Male; D010439:Peptic Ulcer Perforation / Q000150:complications*
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