Tiotropium (18 Mcg) Once Daily Via the HandiHaler® in Patients With Chronic Obstructive Pulmonary Disease (COPD) [clinicaltrials:NCT00274547]

Tiotropium (18 Mcg) Once Daily Via the HandiHaler® in Patients With Chronic Obstructive Pulmonary Disease (COPD) [clinicaltrials:NCT00274547]