@article{ref1,
title="High-risk minor head injury",
journal="Journal of neurosurgery",
year="1998",
author="Stein, Sherman C.",
volume="88",
number="3",
pages="613-614",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3085",
doi="",
url="http://dx.doi.org/"
}