@misc{indiciaece0dcc2f98e9,
  title = {An optical density comparator.},
  author = {D R Bednarek and S Rudin and R Wong},
  year = {1982},
  doi = {10.1148/radiology.142.2.7054851},
  url = {https://pubmed.ncbi.nlm.nih.gov/7054851/},
  note = {Source identifier: 7054851}
}