@misc{indiciae4cd65aa1b184,
  title = {Percutaneous endoscopic tracheostomy.},
  author = {A Paul and D Marelli and R C Chiu and K H Vestweber and D S Mulder},
  year = {1989},
  doi = {10.1016/0003-4975(89)90301-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2919922/},
  note = {Source identifier: 2919922}
}