@misc{indiciae94e69906fc6f,
  title = {Failed tracheal intubation.},
  author = {I Calder},
  year = {1991},
  doi = {10.1093/bja/66.3.415-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/2015159/},
  note = {Source identifier: 2015159}
}