@misc{indiciae641a66220c4a,
  title = {Issuing two hearing aids for simultaneous use.},
  author = {A Markides},
  year = {1979},
  doi = {10.1017/s0022215100087430},
  url = {https://pubmed.ncbi.nlm.nih.gov/469390/},
  note = {Source identifier: 469390}
}