@misc{indiciaef564dfe4f50c,
  title = {Mediastinal emphysema.},
  author = {J N NICHOLAS},
  year = {1958},
  doi = {10.1093/bja/30.2.63},
  url = {https://pubmed.ncbi.nlm.nih.gov/13523028/},
  note = {Source identifier: 13523028}
}