Combined endoscopy in upper gastrointestinal haemorrhage.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004378:Duodenal Diseases / Q000175:diagnosis; D004630:Emergencies; D004724:Endoscopy; D004932:Esophageal and Gastric Varices / Q000150:complications / Q000401:mortality; D005260:Female; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis; D011446:Prospective Studies; D011708:Pylorus; D013272:Stomach Diseases / Q000175:diagnosis