The Risk of Hypoxemia Is Higher with Gastroenterologist-Administered Narcotic/Benzodiazepine (GiN/B) Than Anesthesiologist-Mediated Propofol Sedation (AP) for Outpatient Endoscopy: Results of a Prospective, Multicenter Study. - Vargo,J.J.; McRorie,J.; Ndikintum,N. (Gastrointest Endosc, 2005)