Efficacy and safety profile of xanthines in COPD: a network meta-analysis.
Eur Respir Rev. 2018 May 2;27(148):180010. doi: 10.1183/16000617.0010-2018. Print 2018 Jun 30.
Eur Respir Rev. 2018.
PMID: 29720510
Free PMC article.
Review.