@misc{indiciaeeaa4f5ac15ac,
  title = {Through the mould audiometry (TTM)--implications for an improved hearing aid fitting method.},
  author = {S J Penney and J C Goodwin},
  year = {1984},
  doi = {10.3109/03005368409078936},
  url = {https://pubmed.ncbi.nlm.nih.gov/6733323/},
  note = {Source identifier: 6733323}
}