Nurses' Health Study and Health Professionals Follow-Up Study (Dermatological Component)
Clinical trial NCT03253666 · COMPLETED
Trial details
- NCT number
- NCT03253666
- Sponsor
- Harvard School of Public Health (HSPH)
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2017-01-01
- Primary completion
- 2018-05-01
- Enrollment
- 173229
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