Carotene and Retinol Efficacy Trial
Clinical trial NCT00712647 · COMPLETED
Trial details
- NCT number
- NCT00712647
- Sponsor
- Fred Hutchinson Cancer Center
- Status
- COMPLETED
- Phase
- Phase 4
- Study type
- INTERVENTIONAL
- Start date
- 1985-05-01
- Primary completion
- 2004-12-01
- Enrollment
- 18314
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