Alkhudair, W. K., R. Seyam, H. M. Al Zahrani, M. F. Al Otaibi, and W. Al Taweel. “Robotic Uretero-Ureterostomy of the Retrocaval Ureter Without Excision of the Retrocaval Segment”. Canadian Urological Association Journal, vol. 6, no. 2, Feb. 2013, doi:10.5489/cuaj.443.