@misc{indiciaed927e82590f1,
  title = {Relative surface doses from supervoltage radiation.},
  author = {L Gray},
  year = {1973},
  doi = {10.1148/109.2.437},
  url = {https://pubmed.ncbi.nlm.nih.gov/4200467/},
  note = {Source identifier: 4200467}
}