@article{ref1,
title="Prevention of heart damage in athletes and laborers",
journal="Wiener Zeitschrift für Innere Medizin und Ihre Grenzgebiete",
year="1954",
author="Blumberger, K.",
volume="35",
number="10",
pages="411-419",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0043-5376",
doi="",
url="http://dx.doi.org/"
}