No abstract available
MeSH terms
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Aged
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Bronchoalveolar Lavage Fluid / immunology
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Eosinophilia / immunology*
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Female
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Humans
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Lung / immunology*
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Male
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Middle Aged
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Pulmonary Disease, Chronic Obstructive / immunology*
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Respiratory Mucosa / immunology
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Sputum / immunology