The cannabinoid CB₂ receptor-selective phytocannabinoid beta-caryophyllene exerts analgesic effects in mouse models of inflammatory and neuropathic pain - Klauke, A L; Racz, I; Pradier, B; Markert, A; Zimmer, A M; Gertsch, J; Zimmer, A (Eur Neuropsychopharmacol, 2014)