@misc{indiciae05d0ec25e6d1,
  title = {Balloon compression in excretory urography.},
  author = {N J Rothfield},
  year = {1969},
  doi = {10.1148/92.3.645a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5781690/},
  note = {Source identifier: 5781690}
}