@misc{indiciaef4c888ba8ce4,
  title = {Off-axis beam quality change in linear accelerator x-ray beams.},
  author = {W F Hanson and L W Berkley and M Peterson},
  doi = {10.1118/1.594677},
  url = {https://pubmed.ncbi.nlm.nih.gov/6770240/},
  note = {Source identifier: 6770240}
}