Effects of delta9-tetrahydrocannabinol and cannabinol in man. 19 Aug Dr D The GABAergic system contributes to the anxiolytic-like effect of essential oil from Cymbopogon citratus (lemongrass) Pharmacological Evaluation of the Natural Constituent of Cannabis Sativa, Cannabichromene and its Modulation by Δ9-Tetrahydrocannabinol*