Ekberli, Günay, and Hüseyin Tuğrul Tiryaki. “Is Differential Renal Function Improved After Pyeloplasty? Evaluation of 13 Cases With Low Differential Renal Function”. Turkish Journal of Pediatric Disease, vol. 12, no. 1, Apr. 2018, pp. 36-38, https://turkjpediatrdis.org/article/view/540.