No abstract available
MeSH terms
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Animals
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Canada / epidemiology
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Cattle
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Enzootic Bovine Leukosis / epidemiology
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Enzootic Bovine Leukosis / pathology
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Enzootic Bovine Leukosis / virology*
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Humans
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Leukemia Virus, Bovine*
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Risk Factors
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United States / epidemiology
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Zoonoses