title: ABC of the upper gastrointestinal tract: Upper gastrointestinal haemorrhage.
authors.forename: H J
authors.initials: HJ
authors.lastname: Dallal
authors.forename: K R
authors.initials: KR
authors.lastname: Palmer
mesh_terms: D000465:Algorithms; D004932:Esophageal and Gastric Varices / Q000175:diagnosis / Q000628:therapy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000628:therapy*; D006760:Hospitalization; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis / Q000601:surgery; D012307:Risk Factors