Canna~Fangled Abstracts Differential β-arrestin2 requirements for constitutive and agonist-induced internalization of the CB1 cannabinoid receptor. Differential β-arrestin2 requirements for constitutive and agonist-induced internalization of the CB1 cannabinoid receptor. Gyombolai P, Boros E, Hunyady L, Turu…Freedom WaresOctober 31, 2013