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Activity (Process)
Methods of the Study on SW China Heroin and HIV
- 2 cohorts:
- 2002-2004 Pre-Policy change: 333 people
- 2006-2008 Post Policy change: 376 people
- Used Community outreach and snowball sampling
- 18 years old and injected at least once in the past 3 months before the project started
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Updated 2026-05-28
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Criminology
Sociology
Social Science
Empirical Science
Science