@article{zhen2017direct,
  title={Direct and simultaneous estimation of cardiac four chamber volumes by multioutput sparse regression},
  author={Zhen, Xiantong and Zhang, Heye and Islam, Ali and Bhaduri, Mousumi and Chan, Ian and Li, Shuo},
  journal={Medical Image Analysis},
  volume={36},
  pages={184--196},
  year={2017},
  publisher={Elsevier}
}