@article{ref1,
title="Gangs and hospitals: guarding against inside and outside threats",
journal="Hospital security and safety management",
year="1997",
author="",
volume="18",
number="4",
pages="12-13",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0745-1148",
doi="",
url="http://dx.doi.org/"
}