title: The use of endoscopy in upper gastrointestinal bleeding in private hospitals.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004724:Endoscopy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged