- Conditions
- Sinusitis, Nasal Polyps
- Interventions
- Nasal swab under endoscopic guidance
- Procedure
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 260 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2015
- U.S. locations
- 1
- States / cities
- San Francisco, California
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