@article{ref1,
title="Prognosis of severe brain injury",
journal="Acta neurologica Scandinavica",
year="1970",
author="Heiskanen, O. and Sipponen, P.",
volume="46",
number="3",
pages="343-348",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6314",
doi="",
url="http://dx.doi.org/"
}