@article{ref1,
title="Physically aggressive boys from age 6 to 12 years. Their biopsychosocial status at puberty",
journal="Annals of the New York Academy of Sciences",
year="1996",
author="Tremblay, R. E. and Schaal, B.",
volume="794",
number="",
pages="192-207",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}