Azhar RA, Alghamdi MM, Khawaji AA, Nassir AM, Munshi S, Tayeb W, Elkoushy MA. Effective ureteral access sheath insertion during flexible ureteroscopy: Influence of the ureteral orifice configuration. CUAJ [Internet]. 2022 Feb. 28 [cited 2024 Apr. 26];16(7):E375-80. Available from: https://cuaj.ca/index.php/journal/article/view/7656