Thi Xuan, Bui, Minh Ngoc, Tran, AND Thanh Hoa, Tran. " Anti-peptic Ulcer of the N-hexane Fraction from Sanchezia nobilis Hook.F. Leaves and its Isolated Compounds" VNU Journal of Science: Medical and Pharmaceutical Sciences [Online], Volume 38 Number 4 (18 December 2022)