@article{ref1,
title="Reefer madness revisited: cannabis and psychosis",
journal="Revista brasileira de psiquiatria",
year="2004",
author="Witton, John and Murray, Robin M.",
volume="26",
number="1",
pages="2-3",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="1516-4446",
doi="",
url="http://dx.doi.org/"
}