@misc{indiciaeb019786215aa,
  title = {Simple devices for the physically disabled.},
  author = {E Harrison and G T Vise},
  year = {1984},
  doi = {10.1038/sc.1984.32},
  url = {https://pubmed.ncbi.nlm.nih.gov/6235476/},
  note = {Source identifier: 6235476}
}