@misc{indiciaef3c0dba94d9f,
  title = {A computer-calculated difference tissue compensator system.},
  author = {S J Thomas},
  year = {1985},
  doi = {10.1259/0007-1285-58-691-665},
  url = {https://pubmed.ncbi.nlm.nih.gov/3839429/},
  note = {Source identifier: 3839429}
}