@misc{indiciaeec97b35054ba,
  title = {Portex percutaneous tracheostomy kit.},
  author = {K O Sun},
  year = {1995},
  doi = {10.1111/j.1365-2044.1995.tb06124.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7645726/},
  note = {Source identifier: 7645726}
}