Jiang, Kehua, Musa Male, Xiao Yu, Zhiqiang Chen, Fa Sun, and Huixing Yuan. “Efficacy and Safety of NTrap® Stone Entrapment and Extraction Device for Ureteroscopic Lithotripsy”. Urology Journal 16, no. 7 (May 14, 2020). Accessed January 25, 2021. https://journals.sbmu.ac.ir/urolj/index.php/uj/article/view/5584.