@article{ref1,
title="Head injury",
journal="Practical neurology",
year="2011",
author="van Dijk, Gert W.",
volume="11",
number="1",
pages="50-55",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1474-7758",
doi="10.1136/jnnp.2010.235705",
url="http://dx.doi.org/10.1136/jnnp.2010.235705"
}