@article{ref1,
title="Head injuries. I. An epidemiological study based on 596 patients over a 4-year period",
journal="Ugeskrift for Laeger",
year="1987",
author="Sørensen, H. T. and Nielsen, J. O. and Nissen, I. and Nielsen, Jimmi",
volume="149",
number="10",
pages="680-683",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}