No abstract available
MeSH terms
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Animals
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Antigens, Viral
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Bronchitis / diagnosis
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Bronchitis / immunology
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Bronchitis / veterinary
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Chickens*
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Immunodiffusion*
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Methods
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Poultry Diseases / diagnosis*
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Poultry Diseases / immunology
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Virus Diseases / diagnosis
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Virus Diseases / immunology
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Virus Diseases / veterinary*
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Viruses, Unclassified / immunology*