S. A. U. Quadir, K. N. Islam, M. M. Rahman, M. S. A. Chowdhury, and S. M. Alam, “Outcome of Lower Ureteric Stone Fragmentation by Laser in Comparison with Pneumatic Lithotripsy”, Bang J Urology, vol. 23, no. 2, pp. 169–175, Nov. 2020.