@misc{indiciaedabaee735989,
  title = {The retrotracheal space.},
  author = {J B Shields and S Holtz},
  year = {1976},
  doi = {10.1148/120.1.19},
  url = {https://pubmed.ncbi.nlm.nih.gov/935446/},
  note = {Source identifier: 935446}
}