Fathi BA, Elgammal AA, Abouelgreed TA, Ghoneimy OM, Aboelsaad AY, Alhefnawy MA. The outcomes of flexible ureteroscopy for renal calculi of 2 cm or more with and without the use of ureteral access sheath: A retrospective study. Arch Ital Urol Androl [Internet]. 2023 Sep. 5 [cited 2024 May 9];95(3). Available from: https://www.pagepressjournals.org/aiua/article/view/11524