No abstract available
MeSH terms
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Adult
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Age Factors
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Aged
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Aged, 80 and over
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Cohort Studies
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Cross-Sectional Studies
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Female
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General Practice*
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Humans
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Lung / physiopathology
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Male
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Middle Aged
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Prospective Studies
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Pulmonary Disease, Chronic Obstructive / diagnosis
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Pulmonary Disease, Chronic Obstructive / epidemiology*
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Respiratory Sounds / physiopathology
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Risk Factors
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Smoking / adverse effects
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United Kingdom / epidemiology