Dang, Tan Man, et al. “URETEROSCOPIC LITHOTRIPSY FOR UPPER URETERAL STONE: TREATMENT OUTCOMES WITH HOLMIUM YAG LASER AT CAN THO CENTRAL GENERAL HOSPITAL”. Cantho Journal of Medicine and Pharmacy, no. 28, June 2023, pp. 52-57, https://tapchi.ctump.edu.vn/index.php/ctump/article/view/1618.