Chen, Z., Tang, Z.-Y., Fan, B.-Y., Chen, X., Zhou, P., Luo, Y.-C., He, Y., Xie, C.-Q., Lai, C. and Fang, X.-L. 2014. Retroperitoneoscopic Upper Pole Nephroureterectomy in Duplex Kidney:Focus on the Role of Dilated Upper Pole Ureter. Urology Journal. 10, 4 (Jan. 2014), 1046–1053. DOI:https://doi.org/10.22037/uj.v10i4.1452.