@misc{indiciae1e3b2a23d7db,
  title = {Downtime experience for clinical linear accelerators.},
  author = {B E Bjärngard and D A McEwen},
  doi = {10.1118/1.1637284},
  url = {https://pubmed.ncbi.nlm.nih.gov/4215949/},
  note = {Source identifier: 4215949}
}