@misc{indiciaec42c3a0dc301,
  title = {A simple percutaneous tracheostomy technique.},
  author = {W M Griggs and L I Worthley and J E Gilligan and P D Thomas and J A Myburg},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2343371/},
  note = {Source identifier: 2343371}
}