@article{ref1,
title="Medical aspects in dental practice with reference to traffic",
journal="Deutsche Zahnarztliche Zeitschrift",
year="1973",
author="Tetsch, P. and Esser, E.",
volume="28",
number="8",
pages="866-873",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-1029",
doi="",
url="http://dx.doi.org/"
}