@misc{indiciaefe74cedcfa9f,
  title = {Stone retrieval using rigid ureteroscope.},
  author = {S P Das},
  year = {1983},
  doi = {10.1016/0090-4295(83)90107-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6836817/},
  note = {Source identifier: 6836817}
}