@misc{indiciae113217439a4e,
  title = {[Stereotactic irradiation using a linear accelerator with helmet-type shell].},
  author = {Y Horikawa and T Ishigaki and S Sakuma},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1945786/},
  note = {Source identifier: 1945786}
}