@misc{indiciaeea9d45ae6a8a,
  title = {Communication aids.},
  author = {M C Behnke},
  year = {1986},
  doi = {10.1097/00006247-198607000-00018},
  url = {https://pubmed.ncbi.nlm.nih.gov/3636735/},
  note = {Source identifier: 3636735}
}