title: [Massive hemorrhage from acute duodenal ulcer in pneumonia in a 30-month-old child].
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000150:complications*; D006801:Humans; D008297:Male; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*; D011014:Pneumonia / Q000150:complications*
vernacular_title: Masywny krwotok z ostrego wrzodu dwunastnicy w przebiegu zapalenia płuc u 2,5-letniego dziecka.