No abstract available
MeSH terms
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Amyloidosis / epidemiology
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Amyloidosis / etiology*
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Animals
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Cattle
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Central Nervous System Diseases / epidemiology
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Central Nervous System Diseases / etiology*
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Encephalopathy, Bovine Spongiform / epidemiology
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Encephalopathy, Bovine Spongiform / transmission*
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Humans
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Risk Factors
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Slow Virus Diseases / epidemiology
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Slow Virus Diseases / transmission*