@article{ref1,
title="Evaluation of violence",
journal="Proceedings of the Royal Society of Medicine",
year="1973",
author="Gunn, John",
volume="66",
number="11",
pages="1133-1135",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0035-9157",
doi="",
url="http://dx.doi.org/"
}