“Efficacy of Semirigid Ureterorenoscopy With the Use of Ureteral Acsess Sheath in the Treatment of Impacted Ureteral Stones: A Prospective Randomized Study ”. Annals of Medical Research 27, no. 12 (May 25, 2021): 3148–3152. Accessed April 3, 2025. http://annalsmedres.org/index.php/aomr/article/view/3611.