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. 2019 Oct 24;7:658. doi: 10.3389/fchem.2019.00658

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Copyright © 2019 Carrà, Guidolin, Dator, Upadhyaya, Kassie, Villalta and Balbo.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Blue, orange, gray, and yellow histograms are levels of DNA adducts internal standards ([⁵N₅]-N²-ethyl-dG, [D₄]-O⁶-methyl-dG) detected in lung sample from controls and animals treated with NNK, LPS, and LPS+NNK, respectively.