@misc{indiciae28f149fb2777,
  title = {Copying radiographic films.},
  author = {I H Block},
  year = {1979},
  doi = {10.7547/87507315-69-2-133},
  url = {https://pubmed.ncbi.nlm.nih.gov/762385/},
  note = {Source identifier: 762385}
}