@misc{indiciae74e98e3020db,
  title = {Simplified operative nephroscopy.},
  author = {S A Koff},
  year = {1976},
  doi = {10.1016/0090-4295(76)90453-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/1258236/},
  note = {Source identifier: 1258236}
}