Chi, Nguyễn Ngọc Linh, and Lê Hồng Vân. “25. Analysis of Root Dentine Thickness in Permanent Mandibular First Molar”. Journal of Medical Research 178, no. 5 (June 20, 2024): 216-222. Accessed July 3, 2024. https://tapchinghiencuuyhoc.vn/index.php/tcncyh/article/view/2383.