No abstract available
Publication types
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Letter
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Observational Study
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Asthma / physiopathology*
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Cohort Studies
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Disease Progression
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Female
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Humans
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Male
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Middle Aged
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Respiratory Tract Infections / complications
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Respiratory Tract Infections / physiopathology
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Respiratory Tract Infections / virology*
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Severity of Illness Index
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Young Adult