@article{ref1,
title="Security investigating new tactics as violent crime plagues hospitals",
journal="Modern healthcare",
year="1982",
author="Lippe, D.",
volume="12",
number="4",
pages="72, 74-72, 74",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0160-7480",
doi="",
url="http://dx.doi.org/"
}