@article{ref1,
title="Acute severe head injuries. Clinical diagnosis and classification with respect to early prognosis and treatment",
journal="Acta chirurgica Scandinavica Supplementum",
year="1960",
author="Lindgren, S. O.",
volume="1960",
number="Suppl 254",
pages="1-49",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0301-1860",
doi="",
url="http://dx.doi.org/"
}