@misc{indiciae272cd08fbf29,
  title = {Letter: Angiography in hydronephrosis.},
  author = {M P Gerber},
  year = {1973},
  doi = {10.1016/0090-4295(73)90344-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4766034/},
  note = {Source identifier: 4766034}
}