Congenital ureteral valve: its role as a primary obstructive lesion: classification of the literature and report of an authentic case.

@article{Wall1952CongenitalUV,
  title={Congenital ureteral valve: its role as a primary obstructive lesion: classification of the literature and report of an authentic case.},
  author={Betty J Wall and E WACHTER},
  journal={The Journal of urology},
  year={1952},
  volume={68 4},
  pages={684-90}
}