@misc{indiciaecc8778455684,
  title = {Classification of essential tremor.},
  author = {W C Koller and K Busenbark and C Gray and R S Hassanein and R Dubinsky},
  year = {1992},
  doi = {10.1097/00002826-199204000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/1591741/},
  note = {Source identifier: 1591741}
}