Chronic Obstructive Pulmonary Disease — Study in Subjects Greater Than 40 Years of Age With COPD
Citation(s)
A 6-Week Trial to Compare the Efficacy and Safety of Concomitant Treatment With 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