@article{ref1,
title="Childhood aggressive behavior",
journal="Pediatric annals",
year="1989",
author="Alessi, N. E. and Wittekindt, J.",
volume="18",
number="2",
pages="94, 96, 98 passim-94, 96, 98 passim",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-4481",
doi="",
url="http://dx.doi.org/"
}