@misc{indiciae72b62b0db66f,
  title = {Tracheobronchial cytologic changes during prolonged cannulation.},
  author = {P Casthely and J Chalon and S Ramanathan and H Turndorf},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7191649/},
  note = {Source identifier: 7191649}
}