@misc{indiciae0bcc8dcaf8ba,
  title = {Radiographic exposure slide rules.},
  author = {J E Burns},
  year = {1999},
  doi = {10.1259/bjr.72.853.10341689},
  url = {https://pubmed.ncbi.nlm.nih.gov/10341689/},
  note = {Source identifier: 10341689}
}