Thanh Mai Phuong, Trang Tran Thi Thu, Khanh Do Thi Hong, Ngoc Tran Thi Hong, Dat Tran Tien, Trang Nguyen Thi Mai and Minh Phan Hong 2024. Investigation for subchronic oral toxicity and evaluation of analgesic activities of Stephania tetrandra S. Moore liquid extract in experimental animals. Vietnam Journal of Science, Technology and Engineering. 66, 3 (Sep. 2024), 75-82. DOI:https://doi.org/10.31276/VJSTE.2023.0063.