@article{ref1,
title="Observations on drug addiction and abuse",
journal="Therapie der Gegenwart",
year="1964",
author="Schrappe, O.",
volume="103",
number="",
pages="1364-1374",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0040-5965",
doi="",
url="http://dx.doi.org/"
}