@article{ref1,
title="Focused issue on conduct disorder and aggressive behaviour",
journal="European child and adolescent psychiatry",
year="2018",
author="Freitag, Christine M. and Boomsma, Dorret  I. and Glennon, Jeffrey C. and Franke, Barbara and Holtel, Andreas",
volume="27",
number="9",
pages="1231-1234",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1018-8827",
doi="10.1007/s00787-018-1216-y",
url="http://dx.doi.org/10.1007/s00787-018-1216-y"
}