Huu Giap, Tran, Thi Tu Oanh, Nguyen, Xuan Nhiem, Nguyen, Van Hung, Nguyen, Mai Thao, Vu, Thi Thoa, Ha, Phuoc Hoa, Bui, AND Thi Minh Hang, Nguyen. " Phenolic Acids, Steroids, and Triterpenoids Isolated from Platycodon grandiflorus (Jacq.) A. DC." VNU Journal of Science: Medical and Pharmaceutical Sciences [Online], Volume 40 Number 1 (22 March 2024)