@article{ref1,
title="Once more: Secret tricks of the illegal drug traffic",
journal="Öffentliche Gesundheitsdienst",
year="1953",
author="Wilsch, ",
volume="14",
number="12",
pages="475-476",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="",
doi="",
url="http://dx.doi.org/"
}