@misc{indiciae01eccb0be5fb,
  title = {Backflow in retrograde pyelography.},
  author = {J A ROSS},
  year = {1953},
  doi = {10.1016/s0140-6736(53)90498-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13098098/},
  note = {Source identifier: 13098098}
}