@article{Di_Forti_2007,
title={Cannabis use and psychiatric and cogitive disorders: the chicken or the egg?},
volume={20},
ISSN={0951-7367},
url={http://dx.doi.org/10.1097/yco.0b013e3280fa838e},
DOI={10.1097/yco.0b013e3280fa838e},
number={3},
journal={Current Opinion in Psychiatry},
publisher={Ovid Technologies (Wolters Kluwer Health)},
author={Di Forti,
Marta and Morrison,
Paul D and Butt,
Alexander and Murray,
Robin M},
year={2007},
month=may,
pages={228–234} }