@misc{indiciae78b5844e47ab,
  title = {Percutaneous nephrolithotomy: an innovative extraction technique.},
  author = {A Karamcheti and W F O'Donnell},
  year = {1977},
  doi = {10.1016/s0022-5347(17)58148-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/916071/},
  note = {Source identifier: 916071}
}