@misc{indiciae16560e4c70bd,
  title = {Computer-assisted endoscopic sinus surgery.},
  author = {P F Petroff},
  year = {1997},
  doi = {10.1016/s0001-2092(06)62686-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/9293323/},
  note = {Source identifier: 9293323}
}