Krebs MO, Morvan Y, Jay T, Gaillard R, Kebir O. Psychotomimetic effects at initiation of cannabis use are associated with cannabinoid receptor 1 (CNR1) variants in healthy students. Mol Psychiatry. 2014 Apr;19(4):402–3. doi: 10.1038/mp.2013.188. PMID: 24445906.