Asthma control and severe exacerbations in patients with moderate or severe asthma in Jilin Province, China: a multicenter cross-sectional survey

by Yan, Bing-di, Meng, Shan-shan, Ren, Jin, Lv, Zheng, Zhang, Qing-hua, Yu, Jin-yan, Gao, Rong, Shi, Chang-min, Wu, Chun-feng, Liu, Chun-lin, Zhang, Jie, Ma, Zhong-sen, Liu, Jing
Published 2016