title: [Choledochoduodenal fistula as a complication of chronic duodenal ulcer. 2 case reports].
mesh_terms: D000328:Adult; D000368:Aged; D001658:Biliary Fistula / Q000209:etiology*; D002908:Chronic Disease; D003137:Common Bile Duct Diseases / Q000209:etiology*; D004378:Duodenal Diseases / Q000209:etiology*; D004381:Duodenal Ulcer / Q000150:complications*; D005260:Female; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D008297:Male
vernacular_title: Choledochoduodenale fistel as 'n komplikasie van chroniese duodenale ulkussiekte. Twee gevalsbeskrywings.