@misc{indiciaedda7188285a6,
  title = {[Skull base surgery with an opto-electronic navigation system].},
  author = {R Heermann and K F Mack and P R Issing and C Haupt and H Becker and T Lenarz},
  year = {2001},
  doi = {10.1007/s001060170006},
  url = {https://pubmed.ncbi.nlm.nih.gov/11793917/},
  note = {Source identifier: 11793917}
}