No abstract available
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Cohort Studies
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Humans
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Hypersensitivity, Immediate / physiopathology
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Lung / physiopathology*
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Male
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Phenotype
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Prevalence
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Respiratory Sounds / physiopathology*
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Scotland / epidemiology
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United States / epidemiology