@misc{indiciaea180b290dea4,
  title = {Subtraction radiography.},
  author = {M W Vannier},
  year = {1996},
  doi = {10.1902/jop.1996.67.9.949},
  url = {https://pubmed.ncbi.nlm.nih.gov/8884654/},
  note = {Source identifier: 8884654}
}