@misc{indiciaec37c4b466d9b,
  title = {A twilight state or focal sensory attack?},
  author = {H Helmchen and I Hoffmann and S Kanowski},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/4188813/},
  note = {Source identifier: 4188813}
}