National Nurses Health Cohort Study (NNHS): a Web-based Ambispective Cohort Study in China
Clinical trial NCT04572347 · UNKNOWN
Trial details
- NCT number
- NCT04572347
- Sponsor
- Peking University Third Hospital
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2021-01-15
- Primary completion
- 2021-12-30
- Enrollment
- 2000
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