@article{ref1,
title="Mental health after head injury",
journal="Journal of neurology, neurosurgery, and psychiatry",
year="2001",
author="Lewis, G.",
volume="71",
number="4",
pages="431-431",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3050",
doi="",
url="http://dx.doi.org/"
}