Comparative Study of Error Rates Between ELLIPTA® Dry Powder Inhaler (DPI) and Other DPIs
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DEVICE: Relvar ELLIPTA
- DEVICE: Symbicort TURBUHALER
- DEVICE: Seretide DISKUS
- DEVICE: Spiriva HANDIHALER
- DEVICE: BREEZHALER
- DEVICE: Incruse ELLIPTA
- DEVICE: Anoro ELLIPTA
Sponsor
GlaxoSmithKline