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. 2023 Apr 5;14:1074837. doi: 10.3389/fphar.2023.1074837

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Copyright © 2023 Yu, Qian, Tian, Yang, Li, Xu, Chen, Yang, Hao, Liu, Zhong, Yang, Chen, Min and Chen.

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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Determination of four chemical constituents of cinnamic acid, glycyrrhizic acid, atractylenolide III, and pachymic acid by HPLC. (A) High performance liquid chromatogram of the four chemical composition standards. (B) High performance liquid chromatogram of Linggui Zhugan Decoction. (C) High performance liquid chromatogram of rat serum after 1 h gavage of Linggui Zhugan decoction.