@misc{indiciaef779a26b9c0e,
  title = {A grading system for direct laryngoscopy.},
  author = {T M Cook},
  year = {1999},
  doi = {10.1046/j.1365-2044.1999.0907f.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10995154/},
  note = {Source identifier: 10995154}
}