title: Endoscopy versus radiology in acute upper gastro-intestinal haemorrhage.
mesh_terms: D004381:Duodenal Ulcer / Q000150:complications; D004724:Endoscopy; D005260:Female; D005767:Gastrointestinal Diseases / Q000150:complications / Q000000981:diagnostic imaging; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis / Q000000981:diagnostic imaging; D011859:Radiography; D013276:Stomach Ulcer / Q000150:complications