@misc{indiciae7de7c34fd6cc,
  title = {A guide to tracheal tubes.},
  author = {D R Browne},
  year = {1969},
  doi = {10.1111/j.1365-2044.1969.tb02916.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5350396/},
  note = {Source identifier: 5350396}
}