@article{ref1,
title="How dangerous are ski marathons?",
journal="Lancet",
year="1982",
author="Hoffmann, A. and Herold, G. and Minder, E.",
volume="1",
number="8265",
pages="232-232",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}