@misc{indiciae90e355103770,
  title = {New miniaturized cesium-137 for needle implants.},
  author = {N Simon and S M Silverstone},
  year = {1978},
  doi = {10.1016/0047-0740(78)90056-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/744694/},
  note = {Source identifier: 744694}
}