@misc{indiciae3cf49039cd3e,
  title = {Comments on shielding by the lead shot method.},
  author = {Y Maruyama and D Wrede and E Van Arsdale and J Sayeg and E P Engels},
  year = {1972},
  doi = {10.1148/102.2.445a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5009959/},
  note = {Source identifier: 5009959}
}