@article{ref1,
title="Faster cars--driving without seat belts: more frequent jaw injuries",
journal="Zahnarztliche Praxis",
year="1972",
author="Grasser, H.",
volume="23",
number="7",
pages="173-174",
abstract="Abstract unavailable.",
language="",
issn="0044-1651",
doi="",
url="http://dx.doi.org/"
}