Clinical features and pathogens of plastic bronchitis in children：an analysis of 9 cases
DING Xiao-Fang, ZHONG Li-Li, ZHANG Bing, LIN Lin, HUANG Han, LIANG Mo
CJCP . 2014, (7): 729 -733 .  DOI: 10.7499/j.issn.1008-8830.2014.07.015