@article{ref1,
title="Active shooters on college campuses: conflicting advice, roles of the individual and first responder, and the need to maintain perspective",
journal="Disaster medicine and public health preparedness",
year="2007",
author="Greenberg, Sheldon F.",
volume="1",
number="1 Suppl",
pages="S57-61",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1935-7893",
doi="10.1097/DMP.0b013e318149f492",
url="http://dx.doi.org/10.1097/DMP.0b013e318149f492"
}