@article{ref1,
title="Vertigo",
journal="Internist",
year="1966",
author="Behrend, R. C.",
volume="7",
number="9",
pages="455-462",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0020-9554",
doi="",
url="http://dx.doi.org/"
}