@article{ref1,
title="Cardiac causes for syncope or sudden death in childhood",
journal="Archives of disease in childhood",
year="1999",
author="Wren, C.",
volume="81",
number="4",
pages="289-291",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9888",
doi="",
url="http://dx.doi.org/"
}