title: [Gastric and duodenal ulcer in children and adolescents from rural areas].
mesh_terms: D000293:Adolescent; D002648:Child; D004381:Duodenal Ulcer / Q000453:epidemiology*; D005260:Female; D005873:Giardiasis / Q000150:complications; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000150:complications; D011044:Poland; D012423:Rural Health; D013276:Stomach Ulcer / Q000453:epidemiology*
vernacular_title: Choroba wrzodowa zoładka i dwunastnicy u dzieci i młodziezy ze środowiska wiejskiego.