@misc{indiciaec968087331ba,
  title = {A voice button for laryngectomees.},
  author = {B A Knapp and W R Panje},
  year = {1982},
  doi = {10.1016/s0001-2092(07)63014-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/6921961/},
  note = {Source identifier: 6921961}
}