@misc{indiciaed5a779b0805d,
  title = {CAD-based graphical computer simulation in endoscopic surgery.},
  author = {U G Kuehnapfel and B Neisius},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8055320/},
  note = {Source identifier: 8055320}
}