No abstract available
MeSH terms
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Adult
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Age Distribution
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Disease Outbreaks / statistics & numerical data*
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Disease Transmission, Infectious / statistics & numerical data*
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Homosexuality, Male / statistics & numerical data*
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Humans
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Incidence
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Male
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Middle Aged
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Risk Factors
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Sexual Partners*
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Syphilis / epidemiology*
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Syphilis / transmission*
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United Kingdom / epidemiology