@misc{indiciaeef1745796054,
  title = {Pyelovenous backflow: implications for coagulum pyelolithotomy and nephroscopy.},
  author = {L P Sonda and C P Fischer and M D Gross and R W Skinner},
  year = {1985},
  doi = {10.1016/s0022-5347(17)49275-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/3989933/},
  note = {Source identifier: 3989933}
}