@misc{indiciae38956e3e9b72,
  title = {Shielding for beta-gamma radiation.},
  author = {J J Fletcher},
  year = {1993},
  doi = {10.1097/00004032-199306000-00017},
  url = {https://pubmed.ncbi.nlm.nih.gov/8491626/},
  note = {Source identifier: 8491626}
}