Dargan PI, Hudson S, Ramsey J, Wood DM (July 2011). “The impact of changes in UK classification of the synthetic cannabinoid receptor agonists in 'Spice'”. Int. J. Drug Policy22 (4): 274–7. doi:10.1016/j.drugpo.2011.02.006. PMID21482092.
Del Castillo, J.; Anderson, M.; Rubottom, G. M. (1975). “Marijuana, absinthe and the central nervous system”. Nature253 (5490): 365-366. doi:10.1038/253365a0. ISSN0028-0836. "Thujone and THC have similar molecular geometry and similar functional groups available for metabolism."
Dargan PI, Hudson S, Ramsey J, Wood DM (July 2011). “The impact of changes in UK classification of the synthetic cannabinoid receptor agonists in 'Spice'”. Int. J. Drug Policy22 (4): 274–7. doi:10.1016/j.drugpo.2011.02.006. PMID21482092.
Del Castillo, J.; Anderson, M.; Rubottom, G. M. (1975). “Marijuana, absinthe and the central nervous system”. Nature253 (5490): 365-366. doi:10.1038/253365a0. ISSN0028-0836. "Thujone and THC have similar molecular geometry and similar functional groups available for metabolism."