@misc{indiciaeceb07da47483,
  title = {Long-term performance of linear accelerators.},
  author = {D Greene and P Fallas},
  year = {1985},
  doi = {10.1259/0007-1285-58-690-556},
  url = {https://pubmed.ncbi.nlm.nih.gov/4063717/},
  note = {Source identifier: 4063717}
}