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Pulmonary Disease, Chronic Obstructive
Obstructive Lung Diseases
Exercise Tolerance
Physical Endurance
Treatment Outcome
Quality of Life
Muscle, Skeletal
Quadriceps Muscle
Exercise Test
Respiratory Function Tests
Double-Blind Method
Exercise Therapy
Forced Expiratory Volume
Vital Capacity
Exercise
Walking
Bicycling
Muscle Fatigue
Oxygen Consumption
Bronchodilator Agents
Co-Publications
40
26
25
23
21
12
11
9
8
7
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