title: Radiology of acute upper digestive tract bleeding.
mesh_terms: D000208:Acute Disease; D003287:Contrast Media; D004724:Endoscopy; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging; D006801:Humans; D008722:Methods; D010438:Peptic Ulcer Hemorrhage / Q000000981:diagnostic imaging*; D011859:Radiography; D013276:Stomach Ulcer / Q000000981:diagnostic imaging
chemical_list: D003287:Contrast Media