No abstract available
MeSH terms
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Animals
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Antigens, Viral / isolation & purification
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Birnaviridae Infections / mortality
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Birnaviridae Infections / prevention & control
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Birnaviridae Infections / veterinary*
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Brazil / epidemiology
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Chickens*
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Enzyme-Linked Immunosorbent Assay / veterinary
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Europe / epidemiology
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Infectious bursal disease virus / immunology
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Infectious bursal disease virus / isolation & purification*
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Poultry Diseases / mortality*
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Poultry Diseases / prevention & control*