No abstract available
MeSH terms
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Biomarkers / analysis
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Bronchitis / complications
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Chronic Disease
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Comorbidity
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Dendritic Cells / immunology
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Finland
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Humans
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Prevalence
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Pulmonary Disease, Chronic Obstructive / epidemiology*
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Pulmonary Disease, Chronic Obstructive / etiology
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Pulmonary Disease, Chronic Obstructive / prevention & control*
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Risk Factors
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Smoking / adverse effects*
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Smoking Prevention