@misc{indiciaebc94756f4e34,
  title = {Helmets and helicopter safety.},
  author = {K N Hall and M A Wakeman},
  year = {1992},
  doi = {10.1097/00043764-199203000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/1545276/},
  note = {Source identifier: 1545276}
}