No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Antibodies, Viral / analysis*
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Cattle
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Cattle Diseases / immunology
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Cattle Diseases / virology*
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Incidence
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Influenza A virus / immunology*
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Milk / virology
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Orthomyxoviridae Infections / epidemiology
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Orthomyxoviridae Infections / veterinary*
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Respiratory Tract Diseases / epidemiology
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Respiratory Tract Diseases / veterinary*
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Respiratory Tract Diseases / virology
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Serologic Tests