- Parsons RB, Fisher AM, Bar-Chama N, Mitty HA. MR imaging in male infertility. Radiographics.1997;17(3):627-637. doi:https://doi.org/10.1148/radiographics.17.3.9153701 - Berrocal T, López-Pereira P, Arjonilla A, Gutiérrez J. Anomalies of the distal ureter, bladder, and urethra in children: embryologic, radiologic, and pathologic features. Radiographics. 2002;22(5):1139-1164. doi: https://doi.org/10.1148/radiographics.22.5.g02se101139 -.Cerqueira M, Xambre L, Silva V, et al.