@misc{indiciae133e4722e4e5,
  title = {Minitracheotomy.},
  author = {D W Ryan},
  year = {1990},
  doi = {10.1136/bmj.300.6730.958},
  url = {https://pubmed.ncbi.nlm.nih.gov/2188692/},
  note = {Source identifier: 2188692}
}