@article{ref1,
title="Probability of healthy behavior",
journal="Sante Publique (Ed Medicala)",
year="1976",
author="Hüttner, H. and Koppisch, V.",
volume="19",
number="2",
pages="211-221",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0048-9107",
doi="",
url="http://dx.doi.org/"
}