@article{ref1,
title="Sudden cardiac death during mountain hiking and downhill skiing",
journal="New England journal of medicine",
year="1993",
author="Burtscher, M. and Philadelphy, M. and Likar, R.",
volume="329",
number="23",
pages="1738-1739",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}