Pulmonary Disease, Chronic Obstructive — Comparative Study of ELLIPTA Dry Powder Inhaler (DPI) Versus DISKUS DPI Used With HandiHaler DPI in Subjects With Chronic Obstructive Pulmonary Disease (COPD)
Citation(s)
A Randomized, Open-label, Cross-over, Placebo Inhaler Study to Evaluate the Correct Use of ELLIPTA™ Dry Powder Inhaler (DPI) Compared to DISKUS™ DPI Used in Combination With HandiHaler DPI in Participants With Chronic Obstructive Pulmonary Disease (COPD)