Some critical distinctions between brain death and the persistent vegetative state.

@article{Cranford1979SomeCD,
  title={Some critical distinctions between brain death and the persistent vegetative state.},
  author={Ronald E. Cranford and Heidi L. Smith},
  journal={Ethics in science & medicine},
  year={1979},
  volume={6 4},
  pages={199-209}
}