@misc{indiciaeae42cbad9917,
  title = {Mediastinal emphysema.},
  author = {M AISNER and J E FRANCO},
  year = {1949},
  doi = {10.1056/nejm194911242412105},
  url = {https://pubmed.ncbi.nlm.nih.gov/15394135/},
  note = {Source identifier: 15394135}
}