“Efficacy, Safety, and Outcomes of Retrograde Intrarenal Surgery for Upper Ureteric and Renal Stones: A Single-Center Retrospective Study of 382 Cases”. The Planet 9, no. 03 (May 26, 2026): 200–206. Accessed September 23, 2026. https://www.bdjournals.org/planet/article/view/1193.