@misc{indiciaeda3b8f220341,
  title = {Radiolucent defects within renal pelvis.},
  author = {A G Cockburn and V M Pais},
  year = {1976},
  doi = {10.1016/0090-4295(76)90356-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/183325/},
  note = {Source identifier: 183325}
}