@misc{indiciae89aae0b3e64b,
  title = {Two pyelography contrast agents compared.},
  author = {A W Koch and E M Cooper and P W Eyler and W S Scott},
  year = {1965},
  url = {https://pubmed.ncbi.nlm.nih.gov/5826798/},
  note = {Source identifier: 5826798}
}