@article{ref1,
title="Psychoses due to cannabis abuse",
journal="Lakartidningen",
year="1970",
author="d'Elia, G. and Perris, C. and Persson, G.",
volume="67",
number="32",
pages="3526-3529",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}