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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Brazil / epidemiology
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Cattle / virology
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Cattle Diseases / transmission
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Cattle Diseases / virology
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DNA, Viral / genetics
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DNA, Viral / isolation & purification
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Polymerase Chain Reaction
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Vaccinia / transmission*
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Vaccinia / veterinary
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Vaccinia virus / isolation & purification*