6Clotz MA, Nahata MC Clinical uses of fentanyl, sufentanil, and al-fentaniL Clin Pharm, 1991,.10(8) : 581-593.
7Nisi F,Galzerano A,Gcchitto G, et aL Improving patient safety af-ter rigid bronchoscopy in adults: laryngeal mask airway versus facemask一a pilot study. Med Devices (Auckl), 2015,8: 201-206.
8Perez CR? Wood RE, Update on pediatric flexible bronchoscopy. Pe-diatr Clin North Am, 1994,41(2): 385-400.
9Righini CA,Merel N,Karkas A, et al. What is the diagnostic valueof flexible bronchoscopy in the initial investigation of children withsuspected foreign body aspiration? Int J Pediatr (Xorhinolaryngol,2007,71(9): 1383-1390.
10Reong AB, Green CG,Kurland G, et aL A survey of training in pe-diatric flexible bronchoscopy. Pediatr Pulmonol, 2014,49 (6):605-610.