@article{ref1,
title="Bee and wasp venom allergy",
journal="Hautarzt, Der",
year="1993",
author="Przybilla, B.",
volume="44",
number="9",
pages="611-622",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0017-8470",
doi="",
url="http://dx.doi.org/"
}