T. T. T. . Hong, L. T. . Xuan, T. Q. . Minh, V. V. . Hang, P. T. . Van Anh, and D. T. T. . Hien, “Sub-chronic oral toxicity study of ‘Kien Nao Dan’ tablets in experimental animal”, TCNCYH, vol. 148, no. 12, pp. 16-23, Dec. 2021.