@article{ref1,
title="Incidence of injuries and prevention in inline skating",
journal="Zeitschrift fur Orthopadie und Ihre Grenzgebiete",
year="1998",
author="Heidjann, J.",
volume="136",
number="1",
pages="Oa12-4",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-3220",
doi="",
url="http://dx.doi.org/"
}