@misc{indiciae8254792695a5,
  title = {The correlation evaluation of a tumor tracking system using multiple external markers.},
  author = {Hui Yan and Fang-Fang Yin and Guo-Pei Zhu and Munther Ajlouni and Jae Ho Kim},
  year = {2006},
  doi = {10.1118/1.2358830},
  url = {https://pubmed.ncbi.nlm.nih.gov/17153387/},
  note = {Source identifier: 17153387}
}