No abstract available
MeSH terms
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Adult
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Female
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HIV Infections / complications
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HIV Infections / prevention & control*
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HIV Infections / transmission
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HIV Seroprevalence / trends
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Hepatitis A / complications
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Hepatitis A / prevention & control*
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Hepatitis A / transmission
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Hepatitis B / complications
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Hepatitis B / prevention & control
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Hepatitis B / transmission
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Humans
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Male
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Middle Aged
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Narcotics / administration & dosage*
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National Health Programs
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Risk Factors
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Substance Abuse, Intravenous / complications
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Substance Abuse, Intravenous / therapy*
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Switzerland / epidemiology