Yen, Pham Hai, Dan Thi Thuy Hang, Nguyen Huy Hoang, Ngo Anh Bang, Duong Thi Hai Yen, Nguyen Anh Hung, Nguyen Thi Viet Thanh, Bui Huu Tai, Nguyen Xuan Nhiem, & Phan Van Kiem. " Lignans from Gymnema Sylvestre." VNU Journal of Science: Natural Sciences and Technology [Online], 38.4 (2022): n. pag. Web. 22 Nov. 2024