@misc{indiciae6cbebbe7a843,
  title = {Primary tracheal tumours.},
  author = {H C Grillo},
  year = {1993},
  doi = {10.1136/thx.48.7.681},
  url = {https://pubmed.ncbi.nlm.nih.gov/8153911/},
  note = {Source identifier: 8153911}
}