@misc{indiciaee98caa6118f5,
  title = {Improved urography using bolus material.},
  author = {N Nusbacher},
  year = {1980},
  doi = {10.2214/ajr.135.2.404},
  url = {https://pubmed.ncbi.nlm.nih.gov/6773356/},
  note = {Source identifier: 6773356}
}