@misc{indiciae25d4ec5d29cf,
  title = {Estimation of shielding factors for linear accelerators.},
  author = {James Mechalakos and Jean St Germain},
  year = {2002},
  doi = {10.1097/00004032-200211005-00006},
  url = {https://pubmed.ncbi.nlm.nih.gov/12458922/},
  note = {Source identifier: 12458922}
}