No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Review
MeSH terms
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Acquired Immunodeficiency Syndrome / epidemiology
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Acquired Immunodeficiency Syndrome / prevention & control
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Acquired Immunodeficiency Syndrome / transmission*
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Africa
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Epidemiologic Methods
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Europe
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Female
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Humans
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Male
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North America
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Risk Factors
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Sexual Behavior