@misc{indiciaece09cfebcd89,
  title = {An evaluation of hearing conservation program--a five-year longitudinal study.},
  author = {S Pell},
  year = {1973},
  doi = {10.1080/0002889738506811},
  url = {https://pubmed.ncbi.nlm.nih.gov/4715098/},
  note = {Source identifier: 4715098}
}