No abstract available
Publication types
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Clinical Trial
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Comparative Study
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adult
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Aged
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Antibodies, Viral / analysis*
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Child
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Child, Preschool
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Clinical Trials as Topic
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Hemagglutination Inhibition Tests
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Humans
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Immunization, Secondary
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Infant
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Influenza A virus / immunology*
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Influenza Vaccines / immunology*
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Influenza Vaccines / therapeutic use
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Influenza, Human / prevention & control
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Middle Aged
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Nebraska
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Time Factors
Substances
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Antibodies, Viral
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Influenza Vaccines