Amjadi, Mohsen, et al. “Transureteral Lithotripsy of Ureteral Calculi in Children With Holmium: Yttrium Aluminium Garnet Laser”. Journal of Lasers in Medical Sciences, vol. 2, no. 4, Feb. 2012, pp. 148-51, https://journals.sbmu.ac.ir/jlms/article/view/2624.