@article{ref1,
title="DSM-IV: proposed criteria for postconcussive disorder",
journal="Journal of neuropsychiatry and clinical neurosciences",
year="1994",
author="Henry, G. K.",
volume="6",
number="1",
pages="58-59",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0895-0172",
doi="",
url="http://dx.doi.org/"
}