Recruit Blood Donors Via SMS During Epidemic of COVID-19 （Repeat Trial）
Clinical trial NCT04410458 · UNKNOWN
Trial details
- NCT number
- NCT04410458
- Sponsor
- Guangzhou Blood Center
- Status
- UNKNOWN
- Phase
- Not Applicable
- Study type
- INTERVENTIONAL
- Start date
- 2020-05-31
- Primary completion
- 2020-05-31
- Enrollment
- 506517
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