@article{ref1,
title="Change in mental status",
journal="Journal of emergency medicine",
year="2002",
author="Noble, Vicki E. and Nadel, Eric S. and Brown, David F. M.",
volume="23",
number="4",
pages="401-403",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0736-4679",
doi="",
url="http://dx.doi.org/"
}