@article{ref1,
title="UK classification of cannabis: is a change needed and why?",
journal="Lancet",
year="2007",
author="Degenhardt, Louisa and Hall, Wayne D. and Roxburgh, Amanda and Mattick, Richard P.",
volume="370",
number="9598",
pages="1541-1541",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0140-6736",
doi="10.1016/S0140-6736(07)61655-9",
url="http://dx.doi.org/10.1016/S0140-6736(07)61655-9"
}