@article{ref1,
title="The knees are in danger in skiing",
journal="Scandinavian journal of medicine and science in sports",
year="1995",
author="Ekeland, A.",
volume="5",
number="2",
pages="61-63",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0905-7188",
doi="",
url="http://dx.doi.org/"
}