@misc{indiciae0a4511996efa,
  title = {Concussion.},
  author = {C P Fritz},
  year = {1981},
  doi = {10.1097/00152193-198109000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/6911473/},
  note = {Source identifier: 6911473}
}