@article{ref1,
title="Alcohol and drugs as social problems in Norway",
journal="Blutalkohol",
year="1988",
author="Gerhardsen, T. S.",
volume="25",
number="5",
pages="289-298",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0006-5250",
doi="",
url="http://dx.doi.org/"
}