title: [Evaluation and classification of surgical technics for treating perforated gastroduodenal ulcers].
mesh_terms: D004322:Drainage; D004381:Duodenal Ulcer / Q000601:surgery*; D005743:Gastrectomy / Q000379:methods; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000601:surgery*; D013276:Stomach Ulcer / Q000601:surgery*; D014628:Vagotomy / Q000009:adverse effects / Q000379:methods
vernacular_title: Otsenka i klasifikatsiia na operativnite metodi za lechenie na perforiralite stomashno-duodenalni iazvi.