Evaluation of Immunoprotection Provided by Hepatitis B Vaccine After Birth in Healthy Children
Clinical trial NCT04439435 · UNKNOWN
Trial details
- NCT number
- NCT04439435
- Sponsor
- Children's Hospital of Chongqing Medical University
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2020-07-01
- Primary completion
- 2020-12-01
- Enrollment
- 100
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