No abstract available
MeSH terms
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Aged
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Child
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Humans
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Influenza, Human / complications*
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Influenza, Human / microbiology
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Lung / microbiology*
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Middle Aged
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Orthomyxoviridae / isolation & purification
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Pneumonia / etiology*
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Pneumonia, Pneumococcal / microbiology
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Pneumonia, Staphylococcal / microbiology
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Pneumonia, Viral / microbiology
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Trachea / microbiology*