@misc{indiciaeda7f0363770a,
  title = {New developments in hearing aid technology.},
  author = {G R Popelka},
  year = {1987},
  doi = {10.1159/000414134},
  url = {https://pubmed.ncbi.nlm.nih.gov/3673810/},
  note = {Source identifier: 3673810}
}