No abstract available
Publication types
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Editorial
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Introductory Journal Article
MeSH terms
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Endoscopy*
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Humans
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Physical Examination*
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Pulmonary Disease, Chronic Obstructive / diagnosis*
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Pulmonary Disease, Chronic Obstructive / mortality
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Pulmonary Disease, Chronic Obstructive / therapy*
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Respiratory Function Tests*
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Survival Rate