title: Upper gastrointestinal bleeding.
mesh_terms: D004932:Esophageal and Gastric Varices / Q000601:surgery; D005260:Female; D005756:Gastritis / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000401:mortality / Q000601:surgery; D006396:Hematemesis / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications; D011183:Postoperative Complications; D012008:Recurrence