@misc{indiciae08957b2179cd,
  title = {Motorcycle crash helmets.},
  author = {J G Avery},
  year = {1979},
  doi = {10.1136/bmj.1.6164.686-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/435732/},
  note = {Source identifier: 435732}
}