@misc{indiciae6779599a06ec,
  title = {High-frequency threshold measurements using insert earphones.},
  author = {H Tang and T Letowski},
  year = {1992},
  doi = {10.1097/00003446-199210000-00014},
  url = {https://pubmed.ncbi.nlm.nih.gov/1487097/},
  note = {Source identifier: 1487097}
}