@misc{indiciae44749a0ed99a,
  title = {Cryptic mediastinal masses causing airways obstruction.},
  author = {D K Cooper and A R Chrispin and M de Leval and J Stark},
  year = {1983},
  doi = {10.1136/adc.58.4.306},
  url = {https://pubmed.ncbi.nlm.nih.gov/6847234/},
  note = {Source identifier: 6847234}
}