No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Case-Control Studies
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Child
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Child, Preschool
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HIV Seropositivity / immunology*
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HIV-1 / immunology*
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Haemophilus Vaccines / immunology*
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Haemophilus influenzae type b / immunology*
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Humans
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Immunization, Secondary
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Immunoglobulin G / blood
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Immunologic Memory*
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beta-Thalassemia / immunology
Substances
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Haemophilus Vaccines
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Immunoglobulin G