title: [Spontaneous internal duodenocholedochal fistulas of ulcer etiology].
mesh_terms: D000328:Adult; D000368:Aged; D001658:Biliary Fistula / Q000209:etiology* / Q000601:surgery; D003137:Common Bile Duct Diseases / Q000209:etiology* / Q000601:surgery; D004381:Duodenal Ulcer / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000150:complications*
vernacular_title: Spontannye vnutrennie duodenokholedokheal'nye svishchi iazvennoĭ etiologii.