@misc{indiciae12d4258b38d4,
  title = {Initial experience with percutaneous nephrolithotomy: results, problems and complications.},
  author = {S E Petersen and S Olesen and T M Jørgensen and H Wolf},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3481463/},
  note = {Source identifier: 3481463}
}