@misc{indiciaefdbbed146481,
  title = {[Oxygenation through a tracheostomy].},
  author = {J Raymond and J F Hardy},
  year = {1990},
  doi = {10.1007/bf03005499},
  url = {https://pubmed.ncbi.nlm.nih.gov/2311165/},
  note = {Source identifier: 2311165}
}