@article{ref1,
title="Long-term prognosis after severe head injury",
journal="Acta neurochirurgica Supplement",
year="1979",
author="Lewin, W. and Roberts, A. H.",
volume="28",
number="1",
pages="128-133",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0065-1419",
doi="",
url="http://dx.doi.org/"
}