No abstract available
Publication types
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Comparative Study
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Amino Acid Sequence
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Base Sequence
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Biological Evolution
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Hemagglutinins, Viral / genetics*
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Hemagglutinins, Viral / immunology
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Humans
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Influenza A virus / genetics*
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Influenza A virus / immunology