No abstract available
Publication types
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Letter
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Multicenter Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Asthma / epidemiology
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Asthma / etiology
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Bronchiolitis / epidemiology*
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Bronchiolitis / microbiology
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Bronchitis / epidemiology
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Bronchitis / microbiology
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Child
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Child, Preschool
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Chlamydophila Infections / epidemiology*
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Chlamydophila Infections / microbiology
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Chlamydophila pneumoniae / isolation & purification*
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Cohort Studies
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Follow-Up Studies
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Humans
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Laryngitis / epidemiology
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Laryngitis / microbiology
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Pneumonia, Bacterial / epidemiology*
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Pneumonia, Bacterial / microbiology
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Prevalence
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Prospective Studies
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Spain / epidemiology
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Tracheitis / epidemiology
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Tracheitis / microbiology