No abstract available
MeSH terms
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Asthma / epidemiology
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Asthma / etiology*
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Asthma / physiopathology
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Forced Expiratory Volume / physiology
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Humans
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Prevalence
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Pulmonary Disease, Chronic Obstructive / epidemiology
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Pulmonary Disease, Chronic Obstructive / etiology*
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Pulmonary Disease, Chronic Obstructive / physiopathology
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United States / epidemiology
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Vital Capacity / physiology