@article{ref1,
title="Hypersensitivity reactions caused by insect stings",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1980",
author="van der Zwan, J. C. and de Monchy, J. G. and de Vries, K.",
volume="124",
number="21",
pages="833-837",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}