title: [Peptic ulcer and its surgical treatment in patients over 50 years old].
mesh_terms: D000367:Age Factors; D000368:Aged; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis / Q000601:surgery*; D011183:Postoperative Complications; D013270:Stomach / Q000098:blood supply; D013276:Stomach Ulcer / Q000175:diagnosis / Q000601:surgery
vernacular_title: Iazvennaia bolezn' i ee khirurgicheskoe lechenie u bol'nykh starshe 50 let.