title: Mortality in acute upper gastrointestinal haemorrhage: a six-year survey from the University Hospital of Wales.
mesh_terms: D000368:Aged; D004932:Esophageal and Gastric Varices / Q000401:mortality; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000401:mortality* / Q000601:surgery; D006396:Hematemesis / Q000401:mortality; D006801:Humans; D008297:Male; D008551:Melena / Q000401:mortality; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000401:mortality; D011183:Postoperative Complications; D014852:Wales