Efficacy and safety of tiotropium and olodaterol in COPD: a systematic review and meta-analysis
Crossref DOI link: https://doi.org/10.1186/s12931-017-0683-x
Published Online: 2017-11-25
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Miravitlles, Marc http://orcid.org/0000-0002-9850-9520
Urrutia, Gerard
Mathioudakis, Alexander G.
Ancochea, Julio
Funding for this research was provided by:
Boehringer Ingelheim