F. Bai, H. Wu, N. Zhang, J. Chen, and J. Wen, “The Feasibility, Safety, and Efficacy of the Preemptive Indwelling of Double-J Stents in Percutaneous Nephrolithotomy Surgery: A Randomized Controlled Trial”, Urol J, vol. 17, no. 3, pp. 232–236, May 2020.