No abstract available
MeSH terms
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Acquired Immunodeficiency Syndrome / epidemiology
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Acquired Immunodeficiency Syndrome / transmission
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Adult
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Europe / epidemiology
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Female
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Follow-Up Studies
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HIV Infections / epidemiology*
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HIV Infections / transmission*
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HIV-1
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Humans
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Male
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Population Surveillance*
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Sex Work
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Sexual Behavior*
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Sexual Partners
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Substance Abuse, Intravenous
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United Kingdom / epidemiology