@misc{indiciaebc125471b0f0,
  title = {Tracheal stenosis.},
  author = {P M Stell},
  year = {1971},
  doi = {10.1017/s0022215100073576},
  url = {https://pubmed.ncbi.nlm.nih.gov/4929474/},
  note = {Source identifier: 4929474}
}