@misc{indiciaea8b700e071f6,
  title = {Introduction.},
  author = {Hak Choy},
  year = {2004},
  doi = {10.1016/j.ijrobp.2003.07.012},
  url = {https://pubmed.ncbi.nlm.nih.gov/15142628/},
  note = {Source identifier: 15142628}
}