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Obstructive Lung Diseases
Respiratory Insufficiency
Pulmonary Disease, Chronic Obstructive
Dyspnea
Chronic Disease
Hypercapnia
Respiratory Muscles
Artificial Respiration
Positive-Pressure Respiration
Ventilator Weaning
Respiratory Function Tests
Exercise Therapy
Exercise Test
Oxygen Inhalation Therapy
Prospective Studies
Exercise Tolerance
Treatment Outcome
Time Factors
Respiratory Mechanics
Ventilators, Negative-Pressure
Co-Publications
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24
22
15
12
10
8
7
6
5
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