@misc{indiciae95e9869c1242,
  title = {Radiofrequency interference with Clinac 20.},
  author = {W J Kopecky and J A Purdy},
  year = {1980},
  doi = {10.1016/0360-3016(80)90397-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/7410141/},
  note = {Source identifier: 7410141}
}