@misc{indiciaecf1c6f629fd8,
  title = {Benign tracheal stenosis.},
  author = {H A Samaan},
  year = {1970},
  doi = {10.1002/bjs.1800571210},
  url = {https://pubmed.ncbi.nlm.nih.gov/4922450/},
  note = {Source identifier: 4922450}
}