@misc{indiciaeba93e8f0104b,
  title = {Letter: Fibreoptic bronchoscopy.},
  author = {S W Clarke},
  year = {1974},
  doi = {10.1136/bmj.3.5933.740-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4414232/},
  note = {Source identifier: 4414232}
}