Evaluation of the Respimat Inhaler vs. a HFA MDI Using Berodual in Patients With COPD With Poor MDI Technique.
Conditions
- Pulmonary Disease, Chronic Obstructive
- Asthma
Interventions
- DEVICE: Berodual Respimat
- DEVICE: Berodual HFA-MDI
Sponsor
Boehringer Ingelheim