Quddus, Md Ruhul, et al. “Outcome of Upper Ureteric Stone Management by Semirigid Ureterorenoscope and Intracorporeal Pneumatic Lithotripsy”. Bangladesh Journal of Urology, vol. 16, no. 2, Mar. 2020, pp. 47-50, doi:10.3329/bju.v16i2.45940.