No abstract available
MeSH terms
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Animals
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China / epidemiology
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Communicable Diseases, Emerging / epidemiology*
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Communicable Diseases, Emerging / virology
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Evolution, Molecular
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Genetic Variation*
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Genome, Viral
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Picornaviridae / genetics*
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Picornaviridae / isolation & purification
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Picornaviridae Infections / epidemiology
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Picornaviridae Infections / veterinary*
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Picornaviridae Infections / virology
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Recombination, Genetic
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Swine / virology*