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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Air Pollution
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Asthma / epidemiology
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Body Height
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Bronchitis / epidemiology
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Chronic Disease
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Female
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Humans
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Lung Diseases, Obstructive / epidemiology
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Male
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Mass Screening
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Middle Aged
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New Hampshire
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Respiratory Tract Diseases / epidemiology*
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Sex Factors
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Smoking
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Spirometry
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Sulfur Dioxide / analysis