@article{ref1,
title="Jaw and tooth injuries in sports",
journal="Zahnärztliche Rundschau",
year="1967",
author="Grimm, G.",
volume="76",
number="4",
pages="115-135",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0372-7963",
doi="",
url="http://dx.doi.org/"
}