No abstract available
MeSH terms
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Adolescent
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Adult
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Age Factors
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Aged
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Bronchitis / complications
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Chronic Disease / complications
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Coronary Disease / etiology
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Coronary Disease / mortality
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Dyspnea / complications
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Emphysema / complications
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Female
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Health Surveys
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Humans
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Male
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Michigan
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Middle Aged
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Prognosis
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Respiratory Tract Diseases / mortality*
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Sex Factors
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Spirometry