@article{ref1,
title="Antisocial behaviour",
journal="British medical journal: BMJ",
year="1972",
author="Barker, P.",
volume="3",
number="5817",
pages="34-36",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}