Minimally invasive vs open pyeloplasty in children: the differential effect of procedure volume on operative outcomes.
Sukumar S, Djahangirian O, Sood A, Sammon JD, Varda B, Janosek-Albright K, Abd-El-Barr AE, Sun M, Trinh QD. Minimally invasive vs open pyeloplasty in children: the differential effect of procedure volume on operative outcomes. Urology. 2014 Jul; 84(1):180-4.