@misc{indiciae13984a5e1781,
  title = {Endotracheal tubes.},
  author = {A Davies and D E Rowlands},
  year = {1971},
  doi = {10.1111/j.1365-2044.1971.tb04718.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5540023/},
  note = {Source identifier: 5540023}
}