@article{ref1,
title="Violence against EMS providers: what can we do about it? Working toward a policy of zero tolerance for assaults",
journal="EMS world",
year="2012",
author="Kirkwood, Skip and Tietsort, Kip",
volume="41",
number="8",
pages="44-51",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="2158-7833",
doi="",
url="http://dx.doi.org/"
}