@article{ref1,
title="Epidemiology of craniocerebral injuries (CCI)",
journal="Hefte zur Unfallheilkunde",
year="1972",
author="Franke, K.",
volume="111",
number="",
pages="143-145",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}