@misc{indiciaeebe10cc5f63d,
  title = {Tracheostomy. Open airways.},
  author = {D Casey},
  year = {1989},
  doi = {10.7748/ns.3.22.19.s43},
  url = {https://pubmed.ncbi.nlm.nih.gov/2495459/},
  note = {Source identifier: 2495459}
}