@article{ref1,
title="Psychiatric disorder in the parents of hyperactive boys and those with conduct disorder",
journal="Journal of child psychology and psychiatry",
year="1980",
author="Stewart, M. A. and deBlois, C. S. and Cummings, C.",
volume="21",
number="4",
pages="283-292",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9630",
doi="",
url="http://dx.doi.org/"
}