@article{ref1,
title="Cannabis use and symptom experience amongst people with mental illness: a commentary on Degenhardt et al",
journal="Psychological medicine",
year="2007",
author="MacLeod, John",
volume="37",
number="7",
pages="913-916",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2917",
doi="10.1017/S0033291707000359",
url="http://dx.doi.org/10.1017/S0033291707000359"
}