@article{ref1,
title="Early functional treatment following sports injuries",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1989",
author="Ahrendt, E. and Witak, G.",
volume="83",
number="2",
pages="89-93",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}