@article{ref1,
title="Rüti-study - 5 years later",
journal="Sozial und Praventivmedizin",
year="1976",
author="Biener, K.",
volume="21",
number="5",
pages="231-231",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0303-8408",
doi="",
url="http://dx.doi.org/"
}