@article{ref1,
title="The use of off-duty police as additional security in an emergency department setting",
journal="Journal of healthcare protection management",
year="1993",
author="Perkins, L.",
volume="9",
number="2",
pages="104-112",
abstract="The author discusses the use of off-duty police officers to reduce violence in a hospital's emergency room. He provides the results from an assessment of the program.<p /> <p>Language: en</p>",
language="en",
issn="0891-7930",
doi="",
url="http://dx.doi.org/"
}