2Klein U, Karzai W, Bloes F, et al. Role of fiberoptic bronchoscopy in conjunction with the use of double - lumen tubes for thoracic anesthesia: a prospective study. Anesthesiolog, 1998,88: 346 - 350.
3Allianme B, Coddens J, deloof T. Reliability of ansultation in postioning of double lumen endobronchial tubes. Can J Anesth, 1992,39: 687.
4Hurford WE , Alfille PH. A quaility improvement study of the placement and complicotions of double lumen endobroncbial tubes. Jcardiothorae Anesth, 1993,7:517.
