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. 2016 Apr 4;11:675–685. doi: 10.2147/COPD.S98082

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© 2016 Lu et al. This work is published and licensed by Dove Medical Press Limited

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Effect of BZD on percentage of time below 90% SaO₂ in COPD patients with insomnia.

Abbreviations: BZD, benzodiazepine; SaO₂, arterial oxygen saturation; SD, standard deviation; WMD, weighted mean difference; IV, independent variable; CI, confidence interval.