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Subjects
- Students1
- Substance Abuse Treatment Centers -- statistics & numerical data1
- Substance Abuse, Intravenous -- prevention & control1
- Substance-Related Disorders5
- Substance-Related Disorders -- drug therapy1
- Substance-Related Disorders -- economics1
- Substance-Related Disorders -- epidemiology1
- Substance-Related Disorders -- mortality1
- Substance-Related Disorders -- prevention & control2
- Substance-Related Disorders -- therapy1
- Suicide2
- Surveys and Questionnaires1