@article{ref1,
title="Cannabis use among New Zealand adolescents",
journal="New Zealand medical journal",
year="1993",
author="McGee, R. and Feehan, M.",
volume="106",
number="961",
pages="345-345",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-8446",
doi="",
url="http://dx.doi.org/"
}