@misc{indiciaebe0ae37e8cd7,
  title = {Practical radiation protection.},
  author = {A JOHNSON},
  year = {1959},
  doi = {10.5694/j.1326-5377.1959.tb58702.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13621853/},
  note = {Source identifier: 13621853}
}