@misc{indiciae15fc1e1787b3,
  title = {Mediastinoscopy.},
  author = {D G Ashbaugh},
  year = {1970},
  doi = {10.1001/archsurg.1970.01340230034007},
  url = {https://pubmed.ncbi.nlm.nih.gov/5438570/},
  note = {Source identifier: 5438570}
}