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. 2017 Dec 27;15(1):42. doi: 10.3390/ijerph15010042

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The correlations between TGF-β1 or CP and indicators of lung function (FVC, FEV₁, and FEV₁/FVC) among all subjects. (A) The correlation between TGF-β1 and FVC; (B) The correlation between TGF-β1 and FEV₁; (C) The correlation between TGF-β1 and FEV₁/FVC; (D) The correlation between CP and FVC; (E) The correlation between CP and FEV₁; (F) The correlation between CP and FEV₁/FVC.