6Jemal A, Bray F, Center MM, et al. Global cancer statistics [ J ]. CA Cancer J Clin,2011,61 (2) :69-90.
7Lam B, Lam SY, Wong MP, et al. Sputum cytology examination followed by autofluoreseence bronchoseopy: a practical way of identifying early stage lung cancer in central airway [ J ]. Lung Cancer,2009,64 (3) :289-294.
8Haussinger K,Becker H,Stanzel F, et al. Autofluorescence bron- choscopy with white light bronchescopy compared with white light bronchescopy alone for the detection of precancerous lesions: a European randomised controlled multicentre trial[ J ]. Thorax,2005, 60(6) :496-503.
9Webb BD, Walsh GL,Roberts DB,et al. Primary tracheal malignant neoplasms: the University of Texas MD Anderson Cancer Center experience[J]. J Am Coil Surg,2006,202(2) :237-246.