@article{ref1,
title="Ski injuries",
journal="Clinical orthopaedics",
year="1962",
author="Clayton, M. L.",
volume="23",
number="",
pages="52-66",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-8654",
doi="",
url="http://dx.doi.org/"
}