@misc{indiciaec340971c8b38,
  title = {Mediastinoscopy.},
  author = {P E Provost and P Oliver and J R Schwaber},
  year = {1973},
  doi = {10.1016/s0039-6109(16)39985-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4693353/},
  note = {Source identifier: 4693353}
}