No abstract available
MeSH terms
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Aged
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Airway Obstruction / etiology
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Female
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Humans
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Lung / physiopathology*
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Male
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Middle Aged
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Posture
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Pulmonary Circulation
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Pulmonary Emphysema / diagnostic imaging
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Pulmonary Emphysema / physiopathology*
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Pulmonary Emphysema / surgery
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Radiography
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Radioisotopes
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Respiratory Function Tests
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Ventilation-Perfusion Ratio
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Xenon