@misc{indiciae65579ce4562d,
  title = {Instruments and equipment for endoscopic sinus surgery.},
  author = {D E Krause and V T Grybauskas and M Friedman},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2771414/},
  note = {Source identifier: 2771414}
}