title: [Clinical course of gastric and duodenal ulcers perforating into the biliary system organs].
mesh_terms: D001660:Biliary Tract Diseases / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D002908:Chronic Disease; D004381:Duodenal Ulcer / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D010439:Peptic Ulcer Perforation / Q000175:diagnosis* / Q000601:surgery; D013276:Stomach Ulcer / Q000150:complications*
vernacular_title: Klinicheskoe techenie penetriruiushchikh v organy biliarnoĭ sistemy iazv zheludka i dvenadtsatiperstnoĭ kishki