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. 2015 Jun 17;10:1155–1161. doi: 10.2147/COPD.S80992

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© 2015 Zanini 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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Correlation between changes in post-bronchodilator FEV₁ (% baseline) and sputum eosinophils (%) (r_s=0.82, P=0.003).

Abbreviation: FEV₁, forced respiratory volume in 1 second.