@misc{indiciaea2ef9a9a2181,
  title = {Flow resistance in tracheotomy tubes.},
  author = {J Cavo and J H Ogura and D G Sessions and J R Nelson},
  doi = {10.1177/000348947308200614},
  url = {https://pubmed.ncbi.nlm.nih.gov/4761044/},
  note = {Source identifier: 4761044}
}