@article{ref1,
title="The use of alcohol, tobacco and drugs in Switzerland",
journal="Sozial und Praventivmedizin",
year="1976",
author="Abelin, T.",
volume="21",
number="1",
pages="3-6",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0303-8408",
doi="",
url="http://dx.doi.org/"
}