@misc{indiciaedb9b97980baa,
  title = {Amplification in sudden deafness: a case study.},
  author = {D H Sisterhen and C I Berlin and J May},
  year = {1980},
  doi = {10.1007/bf00454227},
  url = {https://pubmed.ncbi.nlm.nih.gov/6968554/},
  note = {Source identifier: 6968554}
}