@misc{indiciaed06b01087917,
  title = {Optimal positioning for cervical immobilization.},
  author = {J E Olson and G C Hamilton and R De Lorenzo},
  year = {1997},
  doi = {10.1016/s0196-0644(97)70263-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/9140259/},
  note = {Source identifier: 9140259}
}