@article{ref1,
title="Prognosis after severe head injury",
journal="Clinical neurosurgery",
year="1972",
author="Jennett, B.",
volume="19",
number="",
pages="200-207",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0069-4827",
doi="",
url="http://dx.doi.org/"
}