@article{ref1,
title="Prevention of ankle joint injuries in handball",
journal="Zeitschrift fur Orthopadie und Ihre Grenzgebiete",
year="2003",
author="Zantop, T. and Petersen, W.",
volume="141",
number="5",
pages="499-501",
abstract="Abstract unavailable. (German language)",
language="",
issn="0044-3220",
doi="",
url="http://dx.doi.org/"
}