@article{ref1,
title="Suicide prevention",
journal="Sozial und Praventivmedizin",
year="1991",
author="Frey, Conrad and Michel, Konrad",
volume="36",
number="6",
pages="346-350",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0303-8408",
doi="",
url="http://dx.doi.org/"
}