@misc{indiciaeb755443d88e5,
  title = {Step-wedge sensitometry.},
  author = {J Hale and P Bloch},
  year = {1978},
  doi = {10.1148/128.3.820},
  url = {https://pubmed.ncbi.nlm.nih.gov/674670/},
  note = {Source identifier: 674670}
}