@article{ref1,
title="Managing the pre-violent patient",
journal="Emergency medical services",
year="1989",
author="Leisner, K.",
volume="18",
number="7",
pages="18-21, 26, 28",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6575",
doi="",
url="http://dx.doi.org/"
}