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. 2018 Oct 16;9:1167. doi: 10.3389/fphar.2018.01167

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Copyright © 2018 Ji, Liu, Wu, Du, Su, Wang, Han, Yang, Guo and Tang.

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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HPLC chromatograms and the 2D-LC plot of SGT. (A) HPLC chromatograms of nine fractions in the second dimension RPLC. (B) The normalized retention time plot for the chemical constituents of SGT separated by the 2D-LC system.