@article{ref1,
title="Sports medicine responsibilities in the boxing ring",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1990",
author="Ulbrich, P. and Kibittel, W. and Märker, K.",
volume="84",
number="12",
pages="597-600",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}