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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Case-Control Studies
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Disease Progression
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Eosinophilia / blood*
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Eosinophilia / epidemiology
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Eosinophils / cytology*
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Female
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Humans
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Kaplan-Meier Estimate
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Lymphocyte Count
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Male
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Middle Aged
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Pulmonary Disease, Chronic Obstructive / blood*
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Pulmonary Disease, Chronic Obstructive / epidemiology
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Sex Factors
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Smoking / blood*
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Smoking / epidemiology