Epidemiology of Chronic Bronchitis in Patients With Chronic Obstructive Pulmonary Disease (COPD)
Clinical trial NCT02128529 · COMPLETED
Trial details
- NCT number
- NCT02128529
- Sponsor
- AstraZeneca
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2010-10-01
- Primary completion
- 2011-04-01
- Enrollment
- 976
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