@article{ref1,
title="Mild traumatic brain injury: pathophysiology, natural history, and clinical management",
journal="Neurology",
year="1995",
author="Alexander, M. P.",
volume="45",
number="7",
pages="1253-1260",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-3878",
doi="",
url="http://dx.doi.org/"
}