No abstract available
MeSH terms
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Animals
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Bacillus
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Bronchitis / etiology
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Chronic Disease
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Distemper Virus, Canine
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Hominidae
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Humans
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Infections / complications*
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Lung Diseases / etiology
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Lung Diseases / pathology
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Orthomyxoviridae
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Respiratory Tract Diseases / etiology*
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Streptococcus
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Streptococcus pneumoniae
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Swine
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Virus Diseases / complications*