The diverse CB1 and CB2 receptor pharmacology of three plant cannabinoids: Δ9-tetrahydrocannabinol, cannabidiol and Δ9-tetrahydrocannabivarin
http://www.pubmedcentral.nih.gov/art…tool=pmcentrez
Plant cannabinoids: a neglected pharmacological treasure trove
http://www.pubmedcentral.nih.gov/art…tool=pmcentrez