@article{ref1,
title="Refuting the 'paradox of sports'",
journal="European heart journal",
year="2011",
author="Schmied, Christian",
volume="32",
number="16",
pages="1954-1955",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0195-668X",
doi="",
url="http://dx.doi.org/"
}