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Fusar-Poli P; Crippa JA; Bhattacharyya S; et al. (2009). „Distinct effects of {delta}9-tetrahydrocannabinol and Cannabidiol on Neural Activation during Emotional Processing”. Archives of General Psychiatry. 66 (1): 95—105. PMID19124693. doi:10.1001/archgenpsychiatry.2008.519.|access-date= захтева |url= (помоћ)