title: Editorial: Massive upper gastrointestinal bleeding.
mesh_terms: D004724:Endoscopy; D004932:Esophageal and Gastric Varices / Q000601:surgery; D005336:Fiber Optic Technology; D005743:Gastrectomy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis / Q000601:surgery; D013276:Stomach Ulcer / Q000150:complications / Q000601:surgery; D014628:Vagotomy