Fourth generation of synthetic cannabinoid receptor agonists: a summary on the latest insights Posted on February 3, 2022February 3, 2022 By Becky Carter Sara Malaca, Anastasio Tini, Federica Umani Ronchi Acta Biomed; 92(6); 2021 Access article Cannabis and Cannabinoids, DREs / Traffic Safety Resource Prosecutors, Seized Drugs/Controlled Substances, Toxicology