Comparison of four demand oxygen delivery systems at rest and during exercise for chronic obstructive pulmonary disease☆
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Keywords
Demand oxygen delivery system
Chronic obstructive pulmonary disease
Long-term oxygen therapy
Abbreviations
COPD
chronic obstructive pulmonary disease
DODS
demand oxygen delivery system
CFO
continuous flow oxygen
FEV1
forced expiratory volume in one second
TLC
total lung capacity
FVC
forced vital capacity
RR
respiratory rate
sd
standard deviation.
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This study was supported by an unrestricted educational grant from Air Liquide Santé.
Copyright © 2004 Elsevier Ltd. All rights reserved.