Re: Self-referral of imaging does not imply overutilization.

@article{Gilbert2009ReSO,
  title={Re: Self-referral of imaging does not imply overutilization.},
  author={John W. Gilbert},
  journal={Journal of neuroimaging : official journal of the American Society of Neuroimaging},
  year={2009},
  volume={19 4},
  pages={398-9}
}