@article{ref1,
title="Urban violence in the USA",
journal="Medicine, science, and the law",
year="1984",
author="Thomson, W. A.",
volume="24",
number="1",
pages="68-69",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0025-8024",
doi="",
url="http://dx.doi.org/"
}