title: [Extrabulbar duodenal ulcers].
mesh_terms: D000328:Adult; D004381:Duodenal Ulcer / Q000601:surgery*; D004386:Duodenum / Q000473:pathology; D006801:Humans; D008722:Methods; D008875:Middle Aged
vernacular_title: Vnelukovichnye iazvy dvenadtsatiperstnoĭ kishki.