@article{ref1,
title="Myths versus evidence with respect to cocaine and crack: learning from the US experience",
journal="European addiction research",
year="2001",
author="Haasen, C. and Krausz, Michael",
volume="7",
number="4",
pages="159-160",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1022-6877",
doi="",
url="http://dx.doi.org/"
}