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Chinese
The efficacy and safety of three types of combination therapies in patients with moderate to very severe COPD: a systematic review and meta-analysis
Ruirui Zhou, Liqun Wang, Tong Sun, Ziyang Wu, Xiaohui Xie
Journal of Chinese Pharmaceutical Sciences . 2019, (
7
): 502 -518 . DOI: 10.5246/jcps.2019.07.048