@article{ref1,
title="Arizona hospital shooting raises security questions",
journal="Modern healthcare",
year="1995",
author="Burns, J.",
volume="25",
number="9",
pages="42-42",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0160-7480",
doi="",
url="http://dx.doi.org/"
}