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Pulmonary Disease, Chronic Obstructive
Obstructive Sleep Apnea
Dyspnea
Body Mass Index
Airway Obstruction
Obstructive Lung Diseases
Forced Expiratory Volume
Inspiratory Capacity
Vital Capacity
Risk Factors
Exercise Tolerance
Severity of Illness Index
Prospective Studies
Age Factors
Continuous Positive Airway Pressure
Exercise Test
Spirometry
Spain
Rest
Walking
Co-Publications
8
5
4
3
2
1
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