@article{ref1,
title="Skiing injuries",
journal="Clinical symposia (Summit, N.J. : 1957)",
year="1977",
author="Ellison, A. E.",
volume="29",
number="1",
pages="1-40",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-9295",
doi="",
url="http://dx.doi.org/"
}