No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Brazil / epidemiology
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Drug Resistance, Viral / genetics*
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Female
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Genetic Variation*
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HIV Infections / epidemiology
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HIV Infections / virology*
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HIV-1 / genetics*
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Humans
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Mutation
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Phylogeny
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Prevalence
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Sex Workers / statistics & numerical data*