Cerebrospinal fluid transfer of contrast material at urography.

@article{McClennan1971CerebrospinalFT,
  title={Cerebrospinal fluid transfer of contrast material at urography.},
  author={Bruce L. McClennan and Joshua A. Becker},
  journal={The American journal of roentgenology, radium therapy, and nuclear medicine},
  year={1971},
  volume={113 3},
  pages={427-32}
}