@misc{indiciae542f44cf6171,
  title = {Flexible fiberoptic bronchoscopy.},
  author = {S M Zimmet and J F Beekman and L V Kaufman},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4843175/},
  note = {Source identifier: 4843175}
}