@article{ref1,
title="Sociomedical problems of diabetics",
journal="Verhandlungen der Deutschen Gesellschaft für Innere Medizin",
year="1981",
author="Petzoldt, R.",
volume="87",
number="",
pages="71-77",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0070-4067",
doi="",
url="http://dx.doi.org/"
}