Ohar JA, Sharma S, Goodin T, Bowling A, Price B, Ozol-Godfrey A, Sanjar S. Efficacy of Indacaterol/Glycopyrrolate in Patients with COPD by Airway Reversibility at Baseline: A Pooled Analysis of the FLIGHT1 and FLIGHT2 12-Week Studies. COPD. 2019 04; 16(2):133-139.