@article{ref1,
title="Violence: a summary",
journal="Journal of medical ethics",
year="1979",
author="O'Brien, C. C.",
volume="5",
number="3",
pages="132-132",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-6800",
doi="",
url="http://dx.doi.org/"
}