@misc{indiciaee3cb119f670b,
  title = {The Pocket Speech Aid.},
  author = {D Keating and D C Smith and A L Evans and D J Wyper and E Cunningham},
  year = {1989},
  doi = {10.1007/bf02441487},
  url = {https://pubmed.ncbi.nlm.nih.gov/2532280/},
  note = {Source identifier: 2532280}
}