@misc{indiciaebe94565fef6c,
  title = {Retrograde memory immediately after concussion.},
  author = {P R Yarnell and S Lynch},
  year = {1970},
  doi = {10.1016/s0140-6736(70)91691-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4191508/},
  note = {Source identifier: 4191508}
}