@article{ref1,
title="Defending your life. How far can you go when protecting yourself against patients who physically attack you?",
journal="Emergency medical services",
year="1996",
author="Perry, N.",
volume="25",
number="3",
pages="25-34, 39",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6575",
doi="",
url="http://dx.doi.org/"
}