Objective To evaluate the diagnostic value and safety of endobronchial ultrasound transbronchial lung biopsy with guide-sheath( EBUS-GS-TBLB) in peripheral pulmonary lesions( PPL),and to investigate the related factors of improving EBUS-GS-TBLB diagnostic rate. Methods A total of 67 patients with suspected PPL who underwent transbronchial lung biopsy in the Department of Respiratory Medicine of the Second Hospital of Shandong University between January 2015 and March 2016 were prospectively evaluated. The p...