COPD — A Phase IIIB Study to Compare the Efficacy and Safety of Concomitant Treatment in Patients With COPD
Citation(s)
A 6-Week Double-Blind, Parallel-Group, Active-Controlled Trial to Compare the Efficacy and Safety of Concomitant Treatment of Formoterol Fumarate Inhalation Solution 20 Mcg Twice Daily and Tiotropium 18 Mcg Once Daily to Tiotropium 18 Mcg Once Daily Alone in the Treatment of Patients With Chronic Obstructive Pulmonary Disease