The significance of isolated upper pole calyceal dilatation.

@article{Rusiewicz1968TheSO,
  title={The significance of isolated upper pole calyceal dilatation.},
  author={E Rusiewicz and Bernard J. Reilly},
  journal={Journal of the Canadian Association of Radiologists},
  year={1968},
  volume={19 4},
  pages={179-82}
}