@misc{indiciaeca5378b714d0,
  title = {Hearing protector performance and standard deviation.},
  author = {W Williams and H Dillon},
  doi = {10.4103/1463-1741.31629},
  url = {https://pubmed.ncbi.nlm.nih.gov/16417705/},
  note = {Source identifier: 16417705}
}