Tobacco Control Policy-related Survey 2021 (Online)
Clinical trial NCT04900727 · UNKNOWN
Trial details
- NCT number
- NCT04900727
- Sponsor
- The University of Hong Kong
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2021-05-07
- Primary completion
- 2021-09-01
- Enrollment
- 1800
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