@article{mafi2012assessment,
  title={Assessment of coronary artery calcium using dual-energy subtraction digital radiography},
  author={Mafi, John N and Fei, Baowei and Roble, Sharon and Dota, Anthony and Katrapati, Prashanth and Bezerra, Hiram G and Wang, Hesheng and Wang, Wei and Ciancibello, Leslie and Costa, Marco and others},
  journal={Journal of digital imaging},
  volume={25},
  number={1},
  pages={129--136},
  year={2012},
  publisher={Springer}
}