@article{ref1,
title="Studies of 400 Hymenoptera sting deaths in the United States",
journal="Journal of allergy and clinical immunology",
year="1973",
author="Barnard, J. H.",
volume="52",
number="5",
pages="259-264",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-6749",
doi="",
url="http://dx.doi.org/"
}