@article{ref1,
title="Aggressive behavior disorders of childhood: a follow-up study",
journal="American journal of psychiatry",
year="1956",
author="Morris, H. H. Jr and Escoll, P. J. and Wexler, R.",
volume="112",
number="12",
pages="991-997",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}