@article{ref1,
title="1000 Cases of head injuries",
journal="Monatsschrift fur Unfallheilkunde und Versicherungsmedizin",
year="1956",
author="Hein, W.",
volume="59",
number="8",
pages="238-249",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0373-5222",
doi="",
url="http://dx.doi.org/"
}