@article{fei2006deformable,
  title={Deformable and rigid registration of MRI and microPET images for photodynamic therapy of cancer in mice},
  author={Fei, Baowei and Wang, Hesheng and Muzic Jr, Raymond F and Flask, Chris and Wilson, David L and Duerk, Jeffrey L and Feyes, Denise K and Oleinick, Nancy L},
  journal={Medical Physics},
  volume={33},
  number={3},
  pages={753--760},
  year={2006},
  publisher={Wiley Online Library}
}