title: Proceedings: Can eariler diagnosis reduce mortality in acute upper gastrointestinal bleeding?
mesh_terms: D000368:Aged; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000401:mortality*; D006801:Humans; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000401:mortality