@misc{indiciae390bd486733d,
  title = {Retrograde azygography.},
  author = {K Ranniger},
  year = {1968},
  doi = {10.1148/90.6.1097},
  url = {https://pubmed.ncbi.nlm.nih.gov/5656728/},
  note = {Source identifier: 5656728}
}