Pilot Study Comparing Tiotropium (Spiriva) to Salmeterol (Serevent) Plus Fluticasone (Flixotide) in Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Tiotropium
- DRUG: Salmeterol plus Fluticasone
Sponsor
Boehringer Ingelheim