@article{ref1,
title="Crisis at Columbine: a lesson learned?",
journal="Nursing spectrum",
year="1999",
author="Borgatti, J. C.",
volume="9",
number="11",
pages="6-7, 32",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1098-9153",
doi="",
url="http://dx.doi.org/"
}