2Asimakopoulos G,Beeson J,Evans J,et a1.Cryosurgery for malignantendobronchial tumors:analysis of outcome[J].Chest,2005,127(6):2007-2014.
3Wahidi MM, Jain P, Jantz M, et a1. American College of ChestPhysicians consensus statement on the use of topical anesthesia,analgesia, and sedation during flexiblebronchoscopy in adultpatients. Chest 2011 Nov;140(5):1342-50.