@article{ref1,
title="Mechanisms of non-penetrating head injury",
journal="Progress in clinical and biological research",
year="1988",
author="Graham, D. I. and Adams, J. H. and Gennarelli, T. A.",
volume="264",
number="",
pages="159-168",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0361-7742",
doi="",
url="http://dx.doi.org/"
}