No abstract available
Publication types
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Letter
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Acquired Immunodeficiency Syndrome / blood
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Acquired Immunodeficiency Syndrome / epidemiology*
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CD4-Positive T-Lymphocytes
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Homosexuality
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Humans
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Incidence
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Leukocyte Count
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Male
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Prevalence
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San Francisco