Gu Lee, Dong, Ki Ho Lee, Kwang-Woo Park, Chan Kyu Han, Buom-Yong Ryu, Eun Ju Cho, and Sanghyun Lee. “Isolation and Identification of Flavonoids With Aldose Reductase Inhibitory Activity from Petasites Japonicus”. Asian Journal of Chemistry 27, no. 3 (January 18, 2015): 991–994. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_3_38.