A Multi-center Study to Determine the Prevalence and Influence of Pertussis on COPD Exacerbation in Shenzhen
Clinical trial NCT04694430 · UNKNOWN
Trial details
- NCT number
- NCT04694430
- Sponsor
- Shenzhen People's Hospital
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2021-01-01
- Primary completion
- 2021-06-30
- Enrollment
- 500
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