@misc{indiciaeb75a9cad458d,
  title = {Rigid bronchoscopy revisited.},
  author = {M S Shulman and I M Madoff},
  year = {1991},
  doi = {10.1016/1053-0770(91)90314-j},
  url = {https://pubmed.ncbi.nlm.nih.gov/1863753/},
  note = {Source identifier: 1863753}
}