@article{ref1,
title="Hang-over",
journal="Medizinische Monatsschrift",
year="1967",
author="",
volume="21",
number="7",
pages="293-294",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0025-8474",
doi="",
url="http://dx.doi.org/"
}