@article{ref1,
title="On the problem of doping",
journal="Munchener Medizinische Wochenschrift",
year="1972",
author="Spann, W. and Hauck, G.",
volume="114",
number="31",
pages="1390-1391",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}