@misc{indiciae81a6cbdd8c95,
  title = {Voluntary vertical nystagmus.},
  author = {G Krohel and J F Griffin},
  year = {1979},
  doi = {10.1212/wnl.29.8.1153},
  url = {https://pubmed.ncbi.nlm.nih.gov/572502/},
  note = {Source identifier: 572502}
}