@misc{indiciaefe6aa9643504,
  title = {Retrocaval ureter: sonographic appearance.},
  author = {R M Schaffer and A G Sunshine and J A Becker and R J Macchia and Y H Shih},
  year = {1985},
  doi = {10.7863/jum.1985.4.4.199},
  url = {https://pubmed.ncbi.nlm.nih.gov/3886926/},
  note = {Source identifier: 3886926}
}