Sofimajidpour, Heshmatollah, Mohammad Aziz Rasouli, Bushra Zarei, and Masoumeh Hosseini. “Ultra-Mini-Percutaneous Nephrolithotomy for the Treatment of Upper Urinary Tract Stones Sized Between 10-20 Mm in Children Younger Than 8 Years Old”. Urology Journal 17, no. 2 (March 16, 2020): 139–142. Accessed May 6, 2024. https://journals.sbmu.ac.ir/urolj/index.php/uj/article/view/5903.