@misc{indiciae91cfc8da359a,
  title = {Tracheostomy.},
  author = {A C Smith and J H Kerr and J M Spalding},
  year = {1969},
  doi = {10.1136/bmj.2.5653.383-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/5768472/},
  note = {Source identifier: 5768472}
}