@article{ref1,
title="Cannabis use and public health: assessing the burden",
journal="Addiction",
year="2000",
author="Hall, W. and Babor, Thomas F.",
volume="95",
number="4",
pages="485-490",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0965-2140",
doi="",
url="http://dx.doi.org/"
}