@misc{indiciae303094b34807,
  title = {A spherical dose model for radiosurgery plan optimization.},
  author = {P S Cho and H G Kuterdem and R J Marks},
  year = {1998},
  doi = {10.1088/0031-9155/43/10/032},
  url = {https://pubmed.ncbi.nlm.nih.gov/9814541/},
  note = {Source identifier: 9814541}
}