Down syndrome: differentiating mental retardation and dementia with brain imaging techniques.

@article{Schapiro1992DownSD,
  title={Down syndrome: differentiating mental retardation and dementia with brain imaging techniques.},
  author={Mark B. Schapiro and Nina P. Azari and Cheryl L. Grady and James V. Haxby and Barry Horwitz},
  journal={Progress in clinical and biological research},
  year={1992},
  volume={379},
  pages={103-22}
}