@misc{indiciae27b2333fdd49,
  title = {Acute mediastinal widening.},
  author = {J V Forrest and G D Shackelford and R T Bramson and L S Anderson},
  year = {1973},
  doi = {10.2214/ajr.117.4.881},
  url = {https://pubmed.ncbi.nlm.nih.gov/4572871/},
  note = {Source identifier: 4572871}
}