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. 2015 Oct 5;10:2109–2120. doi: 10.2147/COPD.S83071

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© 2015 Juvelekian et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Changes from baseline in CCQ overall score.

Notes: Data are mean ± standard error. Last observation was carried forward. All P<0.0001 for change in CCQ overall score from baseline to end of study.

Abbreviations: CCQ, clinical COPD questionnaire; LABA, long-acting β₂-agonist.