No abstract available
Keywords:
Clinical Epidemiology.
Publication types
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Letter
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Research Support, Non-U.S. Gov't
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Comment
MeSH terms
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Airway Obstruction / physiopathology*
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Asthma / physiopathology*
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Bronchitis / physiopathology*
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Female
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Humans
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Male
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Pulmonary Disease, Chronic Obstructive / physiopathology*