Inhaled Bronchodilator Association and Quality of Life in Patients With Chronic Obstructive Pulmonary Disease
Clinical trial NCT02176564 · COMPLETED
Trial details
- NCT number
- NCT02176564
- Sponsor
- Boehringer Ingelheim
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 1999-06-01
- Primary completion
- 2000-10-01
- Enrollment
- 2639
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