Undesirable patient behavior: improvement with monetary reward.

@article{Kennedy1970UndesirablePB,
  title={Undesirable patient behavior: improvement with monetary reward.},
  author={D. Kennedy and Richard Kelley and Ivan W. Sletten and H S Altman},
  journal={Journal of psychiatric nursing and mental health services},
  year={1970},
  volume={8 1},
  pages={13-5}
}