No abstract available
MeSH terms
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Actinobacillus pleuropneumoniae / isolation & purification*
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Animals
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Missouri / epidemiology
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Mycoplasma / isolation & purification
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Pasteurella / isolation & purification*
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Pleuropneumonia / epidemiology
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Pleuropneumonia / microbiology
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Pleuropneumonia / veterinary*
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Pleuropneumonia, Contagious / epidemiology*
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Pleuropneumonia, Contagious / pathology
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Salmonella / isolation & purification*
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Swine
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Swine Diseases / epidemiology*
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Swine Diseases / microbiology