@article{ref1,
title="ED staffs underreport assaults by patients",
journal="Emergency medical services",
year="1993",
author="Nordberg, M.",
volume="22",
number="6",
pages="63-64",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0094-6575",
doi="",
url="http://dx.doi.org/"
}