@article{article6816e654,
title   = {Ureteral quadruplication associated with ureteral cyst and massive vesicoureteral reflux treated by laparoscopic nephroureterectomy},
author = {Vicentini, Fabio Carvalho and Denes, Francisco Tibor and Srougi, Miguel},
year = {2007},
journal   = {Journal of Endourology}
}