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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Animals
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Cloaca / virology*
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Ducks
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Influenza A virus / isolation & purification*
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Influenza in Birds / virology*
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Oropharynx / virology*
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Phylogeny
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RNA, Viral / genetics
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Sequence Analysis, DNA
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Virulence