@article{ref1,
title="The skull-brain injury",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1975",
author="Unger, R. R.",
volume="69",
number="1",
pages="351-356",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}