No abstract available
MeSH terms
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Adult
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Bronchi / pathology*
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Bronchitis / pathology*
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Cartilage / pathology
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Cell Count
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Chronic Disease
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Connective Tissue / pathology
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Histological Techniques*
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Humans
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Methods
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Mucous Membrane / pathology
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Muscle, Smooth / pathology
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Serous Membrane / pathology