No abstract available
Publication types
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Historical Article
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Research Support, Non-U.S. Gov't
MeSH terms
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Animal Husbandry / history
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Animals
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History, 20th Century
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History, 21st Century
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North America / epidemiology
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Population Surveillance
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Porcine Reproductive and Respiratory Syndrome / epidemiology*
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Porcine Reproductive and Respiratory Syndrome / prevention & control
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Porcine Reproductive and Respiratory Syndrome / transmission
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Porcine respiratory and reproductive syndrome virus / classification*
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Porcine respiratory and reproductive syndrome virus / genetics
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Porcine respiratory and reproductive syndrome virus / isolation & purification
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Swine