No abstract available
MeSH terms
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Autopsy
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Bronchitis / complications*
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Bronchitis / epidemiology
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Bronchitis / pathology
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Child
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Child, Preschool
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Czechoslovakia
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Humans
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Infant
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Infant, Newborn
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Rhinitis / complications
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Rhinitis / epidemiology
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Sinusitis / complications*
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Sinusitis / pathology