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. 2021 Sep 22;12:753153. doi: 10.3389/fphar.2021.753153

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Copyright © 2021 Hwang, Wang, Lee, Lee, Choi, Choi and Son.

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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Fingerprinting analysis of Yeokwisan. Chemical constitutions and quantitative analysis of Yeokwisan using high-performance liquid chromatography (HPLC). Six reference standards (A) and Yeokwisan (B) were subjected to UHPLC analysis. Quantitative analysis of Yeokwisan was conducted (C).