title: [Two cases of perforated ulcer in young patients].
authors.forename: A N
authors.initials: AN
authors.lastname: Portnov
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D001064:Appendicitis / Q000473:pathology / Q000601:surgery; D004381:Duodenal Ulcer / Q000150:complications* / Q000473:pathology / Q000601:surgery; D004630:Emergencies; D005260:Female; D006801:Humans; D008297:Male; D010439:Peptic Ulcer Perforation / Q000473:pathology / Q000601:surgery*; D013276:Stomach Ulcer / Q000150:complications* / Q000473:pathology / Q000601:surgery
vernacular_title: Dva nabliudeniia perforativnoĭ iazvy u bol'nykh molodogo vozrasta.