Screening Evaluation for Studies of Chronic Obstructive Pulmonary Disease (COPD)
Clinical trial NCT00889447 · COMPLETED
Trial details
- NCT number
- NCT00889447
- Sponsor
- Johns Hopkins University
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2008-01-01
- Primary completion
- 2017-05-01
- Enrollment
- 670
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