@article{ref1,
title="Improving the quality of the cannabis debate: Defining the different domains",
journal="British medical journal: BMJ",
year="2000",
author="Strang, J. and Witton, John and Hall, W.",
volume="320",
number="7227",
pages="108-110",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}