@misc{indiciae38070671b91c,
  title = {[Percutaneous dilation tracheostomy--a preliminary study].},
  author = {G Draper and U K Andreassen},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9340878/},
  note = {Source identifier: 9340878}
}