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Pulmonary Disease, Chronic Obstructive
Body Mass Index
Dyspnea
Airway Obstruction
Forced Expiratory Volume
Airway Resistance
Exercise Tolerance
Severity of Illness Index
Prospective Studies
Cohort Studies
Risk Factors
Predictive Value of Tests
Health Status Indicators
Walking
Spirometry
Respiratory Function Tests
Exercise Test
Bronchodilator Agents
Disease Progression
Oxygen Consumption
Co-Publications
14
7
6
5
3
1
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