Free triple combination of glycopyrronium, indacaterol and ICS improves lung function and dyspnoea versus free double combination of indacaterol and ICS in patients with COPD: A post-hoc analysis from the GLOW6 study
Walter Vincken, Joseph Aumann, Pankaj Goyal, Pablo Altman
European Respiratory Journal 2014 44: P2410; DOI: