Significance of electronic bronchoscopy in diagnosis and treatment of lung diseases with pulmonary mass lesion in children 
YIN Fang,ZHOU Weifang,HUANG Li,ZHU Canhong,WANG Meijuan,WEN Fang,YAN Yongdong,JI Wei 
临床儿科杂志 . 2014, (2): 131 -135 .