No abstract available
MeSH terms
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Cannabinoids / adverse effects*
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China / epidemiology
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Designer Drugs / adverse effects*
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Disease Outbreaks / prevention & control*
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HIV Infections / prevention & control
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HIV Infections / transmission*
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Health Education
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Health Knowledge, Attitudes, Practice
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Humans
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Prevalence
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Public Health
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Risk-Taking
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Sexual Behavior / drug effects*
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Substance Abuse, Intravenous / complications*
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Substance Abuse, Intravenous / epidemiology*
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Substance Abuse, Intravenous / prevention & control
Substances
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Cannabinoids
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Designer Drugs