@article{ref1,
title="Caution with rubber bands",
journal="Schweizerische Monatsschrift für Zahnheilkunde",
year="1974",
author="Lütolf, B.",
volume="84",
number="4",
pages="431-434",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0036-7702",
doi="",
url="http://dx.doi.org/"
}