No abstract available
MeSH terms
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Animals
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Bacterial Vaccines
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DNA Primers
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DNA, Bacterial / analysis
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England / epidemiology
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Mycoplasma ovipneumoniae / genetics
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Mycoplasma ovipneumoniae / isolation & purification*
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Pasteurella / immunology
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Pasteurella Infections / prevention & control
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Pasteurella Infections / veterinary
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Pneumonia, Mycoplasma / epidemiology
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Pneumonia, Mycoplasma / microbiology
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Pneumonia, Mycoplasma / veterinary*
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Polymerase Chain Reaction / veterinary
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Sheep
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Sheep Diseases / epidemiology*
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Sheep Diseases / etiology
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Sheep Diseases / microbiology*
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Vaccination / veterinary
Substances
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Bacterial Vaccines
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DNA Primers
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DNA, Bacterial