Demirbas, A., V. M. Yazar, E. Ersoy, D. O. Demir, S. Ozcan, T. Karakan, O. G. Doluoglu, B. Resorlu, A. M. Hascicek, and K. O. Gunseren. “Comparision of Percutaneous Nephrolithotomy and Retrograde Intrarenal Surgery For The Treatment of Multicalyceal and Multiple Renal Stones”. Urology Journal, vol. 15, no. 6, Nov. 2018, pp. 318-22, doi:10.22037/uj.v15i6.4213.