@misc{indiciaeeb228735a1f4,
  title = {Disposable tracheostomy inner cannula.},
  author = {S Crow},
  year = {1986},
  doi = {10.1017/s0195941700093000},
  url = {https://pubmed.ncbi.nlm.nih.gov/3635493/},
  note = {Source identifier: 3635493}
}