Can roflumilast, a phosphodiesterase-4 inhibitor, improve clinical outcomes in patients with moderate-to-severe chronic obstructive pulmonary disease? A meta-analysis
Crossref DOI link: https://doi.org/10.1186/s12931-016-0330-y
Published Online: 2016-02-17
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Luo, Jian
Wang, Ke
Liu, Dan
Liang, Bin-Miao
Liu, Chun-Tao