Vitamin D, Steroids, and Asthma in African American Youth
Clinical trial NCT01647399 · COMPLETED
Trial details
- NCT number
- NCT01647399
- Sponsor
- Robert J. Freishtat
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2012-07-01
- Primary completion
- 2017-08-01
- Enrollment
- 273
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