Surgical management of congenital ureteropelvic junction obstruction: a Pediatric Health Information System database study.
Vemulakonda VM, Cowan CA, Lendvay TS, Joyner BD, Grady RW. Surgical management of congenital ureteropelvic junction obstruction: a Pediatric Health Information System database study. J Urol. 2008 Oct; 180(4 Suppl):1689-92; discussion 1692.