@article{ref1,
title="Cannabis psychoses",
journal="Lakartidningen",
year="1969",
author="Bernhardson, G.",
volume="66",
number="12",
pages="1230-1234",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}