@misc{indiciae4a2aac0a2dbf,
  title = {Auditory training and speech audiometry.},
  author = {R H H WILLIAMS and D LING},
  year = {1958},
  doi = {10.1017/s0022215100054207},
  url = {https://pubmed.ncbi.nlm.nih.gov/13564016/},
  note = {Source identifier: 13564016}
}