@article{ref1,
title="Consumption of psychoactive drugs and illegal drugs by the Zurich university students",
journal="Schweizerische Medizinische Wochenschrift",
year="1970",
author="Bättig, K.",
volume="100",
number="44",
pages="1887-1893",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0036-7672",
doi="",
url="http://dx.doi.org/"
}