@article{ref1,
title="The costs of traumatic brain injury",
journal="North Carolina medical journal",
year="2001",
author="Thompson, K. and Antony, A. and Holtzman, A.",
volume="62",
number="6",
pages="376-379",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0029-2559",
doi="",
url="http://dx.doi.org/"
}