Prospective audit of upper gastrointestinal endoscopy in two regions of England: safety, staffing, and sedation methods.
Bennett
J R
JR
D000758:Anesthesia; D016292:Procedural Sedation; D016099:Endoscopy, Gastrointestinal / Q000009:adverse effects / Q000706:statistics & numerical data; D004739:England; D006801:Humans; D008485:Medical Audit