1. , , . Upper airway reflexes during a combination of propofol and fentanyl anesthesia. Anesthesiology 1998;88:1459–1466.
2. , . Propofol: a review of its pharmacodynamic and pharmacokinetic properties and use as an intravenous anesthetic. Drugs 1988;35:334–372.
3. , , , et al. Efficacy and safety of intravenous propofol sedation during routine ERCP: a prospective controlled study. Gastrointest Endosc 1999;49:677–683.