@misc{indiciaeb4313c6963ef,
  title = {Helmets on climbers.},
  author = {T Frost and A Embick and J Fries and H N Hultgren},
  year = {1995},
  doi = {10.1580/1080-6032(1995)006[0344:hoc]2.3.co;2},
  url = {https://pubmed.ncbi.nlm.nih.gov/11990098/},
  note = {Source identifier: 11990098}
}