@misc{indiciae523f10e9025b,
  title = {Cobalt 60 radiography.},
  author = {C R PERRYMAN and J D McALLISTER and J A BURWELL},
  year = {1960},
  url = {https://pubmed.ncbi.nlm.nih.gov/14432048/},
  note = {Source identifier: 14432048}
}