title: [Severe complications of ulcer in an elderly patient].
authors.forename: I N
authors.initials: IN
authors.lastname: Varichev
authors.forename: V M
authors.initials: VM
authors.lastname: Sidorenko
mesh_terms: D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications* / Q000601:surgery; D016145:Endoscopy, Digestive System; D006801:Humans; D008297:Male; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology* / Q000601:surgery; D010439:Peptic Ulcer Perforation / Q000209:etiology* / Q000601:surgery; D011708:Pylorus / Q000601:surgery*; D014629:Vagotomy, Proximal Gastric
vernacular_title: Tiazhelye oslozhneniia iazvennoi bolezni u patsienta starcheskogo vozrasta.