@article{ref1,
title="Cardiac complications of wasp and bee stings",
journal="Svenska läkartidningen",
year="1953",
author="Berlin, S. O.",
volume="50",
number="20",
pages="1071-1081",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0371-439X",
doi="",
url="http://dx.doi.org/"
}