@misc{indiciae08e45d555217,
  title = {Head-worn hearing aids.},
  author = {J W Stephenson},
  year = {1977},
  doi = {10.1136/bmj.2.6102.1606-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/589371/},
  note = {Source identifier: 589371}
}