A prospective study of salvational intervention with ICS/LABA for reducing chronic obstructive pulmonary disease exacerbation under severe air pollution (SIRCAP) in Beijing: protoc...

by Tianyu Zhou, Yijue Zhong, Jiping Liao, Guangfa Wang, Xueying Li, Xiaosen Qian, Pingchao Xiang, Xinsheng Chen, Zhenyang Xu, Fengzhen Zhang, Xiaoguang Wang, Senlin Wang, Xiangxin Li, Chunxiao Yu, Yongxiang Zhang, Guoguang Xia, Li Dai
Published 2019-01-01