@article{ref1,
title="Drinking habits in adolescents",
journal="Therapie der Gegenwart",
year="1977",
author="Keiner, F.",
volume="116",
number="10",
pages="1836-1850",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0040-5965",
doi="",
url="http://dx.doi.org/"
}