S. Sahin, B. Resorlu, F. A. Atar, M. Eksi, N. C. Sener, and V. Tugcu, “Laparoscopic Ureterolithotomy with Concomitant Pyelolithotomy Using Flexible Cystoscope”, Urol J, vol. 13, no. 5, pp. 2833–2836, Oct. 2016.