No abstract available
MeSH terms
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Adolescent
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Adult
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California / epidemiology
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Female
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HIV Infections / epidemiology*
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Heterosexuality
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Humans
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Male
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Risk Factors
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Risk-Taking
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Sexual Behavior / ethnology
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Sexual Behavior / statistics & numerical data*
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Sexually Transmitted Diseases, Viral / epidemiology*
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Socioeconomic Factors