@misc{indiciae8007db89c035,
  title = {Clinical videodensitometry.},
  author = {N R Silverman},
  year = {1972},
  doi = {10.2214/ajr.114.4.840},
  url = {https://pubmed.ncbi.nlm.nih.gov/4623692/},
  note = {Source identifier: 4623692}
}