@misc{indiciae21c9a3847e59,
  title = {X-ray therapy planning in three dimensions by computer.},
  author = {B W Worthley and R L Nicholls},
  year = {1971},
  doi = {10.1111/j.1440-1673.1971.tb01305.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5149415/},
  note = {Source identifier: 5149415}
}