@article{ref1,
title="Preventing crime and violence",
journal="British medical journal: BMJ",
year="1995",
author="Farrington, D. P. and Shepherd, Jonathan P.",
volume="310",
number="6975",
pages="271-272",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}