Serum, Dietary and Supplemental Vitamin D's Association With Cognitive Decline
Clinical trial NCT03320109 · COMPLETED
Trial details
- NCT number
- NCT03320109
- Sponsor
- National Institute on Aging (NIA)
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2004-08-18
- Primary completion
- 2013-07-07
- Enrollment
- 3720
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