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. 2015 Oct 19;12(6):7979–7984. doi: 10.3892/mmr.2015.4454

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Copyright: © Han et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Effects of paraquat treatment on TGF-β/Smad pathway in rat lung tissues. Lanes: 1, control group; 2, 7-day group; 3,14-day group; 4, 21-day group. Values are expressed as the mean ± standard deviation (n=3). *P<0.05; ^#P<0.01 vs. control group. TGF, transforming growth factor.