@article{ref1,
title="Cannabis Use -- do we have solutions? A reply to Macleod",
journal="Addiction",
year="2008",
author="Perkonigg, Axel and Goodwin, Renee D. and Behrendt, Silke and Beesdo, Katja and Lieb, Roselind and Wittchen, Hans‐Ulrich",
volume="103",
number="9",
pages="1575-1575",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0965-2140",
doi="10.1111/j.1360-0443.2008.02286.x",
url="http://dx.doi.org/10.1111/j.1360-0443.2008.02286.x"
}