Efficacy and Safety Study of Symbicort Turbuhaler in Chinese Patients With COPD
Conditions
- Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: budesonide/formoterol (Symbicort)
- DRUG: budesonide (Pulmicort)
- DRUG: terbutaline sulfate (Bricasol)
Sponsor
AstraZeneca