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. 2018 Oct 9;9:1051. doi: 10.3389/fphar.2018.01051

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Copyright © 2018 Wang, Huang, Fan, He, Zhao, Shu, Li, Liu, Lu, Xiao and Liu.

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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Representative MRM chromatograms. (A) MRM figure for 20 compounds, including seven methotrexate (MTX) -related and 13 tripterygium glycosides tablets (TGT_S)-related; (B) MRM figure for 19 endogenous metabolites.