@misc{indiciaedafb7c0f4c36,
  title = {Retrograde memory after concussion.},
  author = {S F Johnson},
  year = {1970},
  doi = {10.1016/s0140-6736(70)91180-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4191873/},
  note = {Source identifier: 4191873}
}