Prevention and Treatment of Voice Problems in Teachers
Clinical trial NCT01199172 · COMPLETED
Trial details
- NCT number
- NCT01199172
- Sponsor
- University of Pittsburgh
- Status
- COMPLETED
- Phase
- Not Applicable
- Study type
- INTERVENTIONAL
- Start date
- 2009-10-01
- Primary completion
- 2015-10-01
- Enrollment
- 140
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