Epidemiology & Intervention Research for Tobacco Control
Clinical trial NCT00076921 · COMPLETED
Trial details
- NCT number
- NCT00076921
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2002-09-01
- Primary completion
- 2012-12-01
- Enrollment
- 15705
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