@misc{indiciae23e3fbc0a9a1,
  title = {Tracheal fenestration. An improved technique.},
  author = {A Alvarado},
  year = {1984},
  doi = {10.1001/archsurg.1984.01390140091019},
  url = {https://pubmed.ncbi.nlm.nih.gov/6696617/},
  note = {Source identifier: 6696617}
}