@misc{indiciaedfeca51d67a7,
  title = {Pyelocancerous backflow: a radiologic finding in renal malignancy.},
  author = {J S Copeland and P F Schellhammer and C J Devine},
  year = {1976},
  doi = {10.1016/s0022-5347(17)59137-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/1249873/},
  note = {Source identifier: 1249873}
}