No abstract available
Publication types
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Research Support, N.I.H., Extramural
MeSH terms
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Chlamydia Infections / epidemiology
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Gonorrhea / epidemiology
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HIV Infections / epidemiology
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Humans
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Mexico / epidemiology
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Residence Characteristics / statistics & numerical data*
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Seroepidemiologic Studies
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Sex Workers / statistics & numerical data*
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Sexually Transmitted Diseases / epidemiology*
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Substance Abuse, Intravenous / epidemiology
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Syphilis / epidemiology