@article{ref1,
title="Cognitive development in inattentive, hyperactive, and aggressive children: two- to five-year follow-up",
journal="Journal of the American Academy of Child and Adolescent Psychiatry",
year="1987",
author="Goldstein, H. S.",
volume="26",
number="2",
pages="219-221",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0890-8567",
doi="10.1097/00004583-198703000-00017",
url="http://dx.doi.org/10.1097/00004583-198703000-00017"
}