@misc{indiciae0b006338b3f1,
  title = {Hearing aids for the aged.},
  author = {M Nelson},
  year = {1965},
  doi = {10.1111/j.1532-5415.1965.tb02787.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5843930/},
  note = {Source identifier: 5843930}
}