Removal of bronchial foreign body in children by bronchoscopic CO2 Cryotherapy
 ZHANG Lei, YIN Yong, YUAN Shuhua, ZHANG Jing, PAN Chunhong, ZHANG Hao, CHEN Jie
Journal of Clinical Pediatrics . 2018, (5): 356 - .  DOI: 10.3969/j.issn.1000-3606.2018.05.009