No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
MeSH terms
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Adult
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Age of Onset
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Air Pollution / adverse effects*
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Asthma / epidemiology*
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Cohort Studies
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Environmental Exposure / adverse effects*
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Female
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Humans
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Incidence
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Middle Aged
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Nursing Staff
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Particulate Matter / adverse effects*
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Pulmonary Disease, Chronic Obstructive / epidemiology*
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United States