@misc{indiciae5a5f093ce576,
  title = {[Percutaneous nephrolithotomy. The 1st steps].},
  author = {Kh Kumanov and P Panchev and D Petkov},
  year = {1985},
  url = {https://pubmed.ncbi.nlm.nih.gov/4079276/},
  note = {Source identifier: 4079276}
}