Epidemiological survey and analysis of asthma in children aged 0-14 years old in urban and rural areas of Chengdu region
LI Min, ZHANG Qiong, SHI Wei-Juan, LI Lan, LI Yan, PANG Ying, YAO Bin, JIANG Hong
CJCP . 2013, (8): 609 -613 .  DOI: 10.7499/j.issn.1008-8830.2013.08.003