Canna~Fangled Abstracts Flavonoids from Perovskia atriplicifolia and Their in Vitro Displacement of the Respective Radioligands for Human Opioid and Cannabinoid Receptors. 2015 Jun 2. Tarawneh A1, León F1, Pettaway S1, Elokely KM2, Klein ML2, Lambert J1, Mansoor A3, Cutler SJ1. Author information Abstract…Freedom WaresJune 2, 2015