@misc{indiciae6a7f1a179a3c,
  title = {Audiometric zero for air conduction using manual audiometry.},
  author = {R W Fearn and D R Hanson},
  year = {1983},
  doi = {10.3109/03005368309078913},
  url = {https://pubmed.ncbi.nlm.nih.gov/6626786/},
  note = {Source identifier: 6626786}
}