@article{ref1,
title="Aggressive behavior in the preschool child,",
journal="Journal of pediatrics",
year="1968",
author="McRae, K. N. and Lowe, S. G.",
volume="72",
number="6",
pages="821-828",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3476",
doi="",
url="http://dx.doi.org/"
}