@article{ref1,
title="Mild traumatic brain injury",
journal="Neurology",
year="1996",
author="Peterson, D. I.",
volume="46",
number="5",
pages="1488-1490",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-3878",
doi="",
url="http://dx.doi.org/"
}