congenital

Morsi, H., K. Mursi, A. Abdelaziz, M. El-Shemi, M. Salah, and M. Eissa, "Renal pelvis reduction during dismembered pyeloplasty: Is it necessary?", Journal of Pediatric Urology, vol. 9, issue 3, pp. 303-6, 2013. renal_pelvis_reduction.pdf