@article{ref1,
title="Injuries in winter sports. Every 3rd injury involves the knee",
journal="MMW: Fortschritte der Medizin",
year="2006",
author="Neumaier, Judith",
volume="148",
number="6",
pages="4-6, 8",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="1438-3276",
doi="",
url="http://dx.doi.org/"
}