@misc{indiciae2fd8f10f34f0,
  title = {A communication aid for the physically handicapped.},
  author = {P Jardine and S Jerman and N Seddon and J A Rees},
  year = {1984},
  doi = {10.1016/0141-5425(84)90109-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/6236334/},
  note = {Source identifier: 6236334}
}