Title
TheprevalenceandrelatedfactorsoffatigueinpatientswithCOPD:asystematicreview
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Background/背景
FatigueisadistressingsymptominpatientswithCOPD.LittleisknownaboutthefactorsthatcontributetofatigueinCOPD.Thisreviewsummarisesexistingknowledgeontheprevalenceoffatigue,factorsrelatedtofatigueandtheinstrumentsmost