Efficacy and safety of direct switch to indacaterol/glycopyrronium in patients with moderate COPD: The CRYSTAL open-label randomised trial

Authors

Vogelmeier CF; Gaga M; Aalamian-Mattheis M; Greulich T; Marin JM; Castellani W; Ninane V; Lane S; Nunez X; Patalano F; Clemens A ( co-senior authorship)

Abstract