@article{ref1,
title="Safety costs",
journal="Materials management in health care",
year="1999",
author="Perry, P. A.",
volume="8",
number="5",
pages="49-50",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1059-4531",
doi="",
url="http://dx.doi.org/"
}