@misc{indiciaebd76032eac4b,
  title = {[Percutaneous kidney stone surgery].},
  author = {P A Wertheimer and A G Kloet and P J van Helsdingen},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/6717620/},
  note = {Source identifier: 6717620}
}