@misc{indiciae2858da3b090e,
  title = {Percutaneous nephrolithotomy. The first 50 cases.},
  author = {H M du Preez and P C Morton},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3388155/},
  note = {Source identifier: 3388155}
}