@misc{indiciae098e41f44aff,
  title = {Tracheotomy application and timing.},
  author = {John E Heffner},
  year = {2003},
  doi = {10.1016/s0272-5231(03)00044-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/14535212/},
  note = {Source identifier: 14535212}
}