Tong, Hoa, Phuong Vu, Kien Duong, and Phuong Quach. “Biologicalactivities of Gynostemma Pentaphyllum (Thunb.) Makino”. VNUHCM Journal of Natural Sciences 1, no. 6 (December 7, 2018): 49-57. Accessed October 4, 2025. http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/615.