@article{ref1,
title="Animal experimental studies on mild repeated and accumulated mild head injuries",
journal="Deutsche Zeitschrift für Nervenheilkunde",
year="1964",
author="Mueller, E.",
volume="186",
number="",
pages="336-366",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0367-004X",
doi="",
url="http://dx.doi.org/"
}