@article{ref1,
title="Sports and drugs",
journal="Deutsche Medizinische Wochenschrift",
year="1978",
author="Keul, J.",
volume="103",
number="46",
pages="1813-1816",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-0472",
doi="10.1055/s-0028-1129347",
url="http://dx.doi.org/10.1055/s-0028-1129347"
}