@misc{indiciae88d374303a22,
  title = {Letter: Visual evoked potentials and transient ischaemia attacks.},
  author = {L Bergström and R Fogelholm and V Häkkinen and P Saar},
  year = {1975},
  doi = {10.1136/bmj.1.5949.93-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/1109673/},
  note = {Source identifier: 1109673}
}