@misc{indiciae0b5a4eb41dcd,
  title = {Disposable plastic tracheostomy tubes.},
  author = {S E Stool and D B Groff},
  year = {1969},
  doi = {10.1288/00005537-196906000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/5786186/},
  note = {Source identifier: 5786186}
}