title: [Usefulness of endoscopy and X-ray examinations in the diagnosis of acute hemorrhage from the upper digestive tract].
mesh_terms: D000208:Acute Disease; D005260:Female; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging; D020699:Gastroscopes; D006801:Humans; D008297:Male; D011859:Radiography
vernacular_title: Przydatność endoskopii i badania rentgenowskiego w rozpoznawaniu ostrych krwotoków z górnego odcinka przewodu pokarmowego.