@article{ref1,
title="Head injury slightly increases risk of non-affective psychosis but not schizophrenia",
journal="Evidence-based mental health",
year="2007",
author="Sachdev, Perminder S.",
volume="10",
number="3",
pages="92-92",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1362-0347",
doi="",
url="http://dx.doi.org/"
}