@article{ref1,
title="Social medicine problems of diabetics",
journal="Internist",
year="1981",
author="Petrides, P.",
volume="22",
number="4",
pages="242-246",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0020-9554",
doi="",
url="http://dx.doi.org/"
}