title: Endoscopy of upper gastrointestinal tract is feasible and safe in elderly patients.
mesh_terms: D000368:Aged; D004724:Endoscopy / Q000009:adverse effects; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D005773:Gastroscopy / Q000009:adverse effects; D006801:Humans; D008875:Middle Aged; D011292:Premedication