Medical Therapy Versus Sinus Surgery for Chronic Rhinosinusitis: A Prospective, Multi-institutional Study
Clinical trial NCT01255566 · COMPLETED
Trial details
- NCT number
- NCT01255566
- Sponsor
- Oregon Health and Science University
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2009-08-01
- Primary completion
- 2012-07-01
- Enrollment
- 186
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