No abstract available
MeSH terms
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Adult
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Aging
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Airway Obstruction / diagnosis*
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Airway Resistance
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Argon
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Humans
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Male
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Methods
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Middle Aged
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Osmolar Concentration
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Plethysmography
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Pulmonary Alveoli / physiopathology
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Pulmonary Ventilation
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Respiratory Dead Space
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Smoking
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Spirometry*
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Time Factors
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Vital Capacity