title: New psychoactive substances: driving greater complexity into the drug problem.
authors.affiliation: European Monitoring Centre for Drugs and Drug Addiction (EMCDDA), Lisbon, Portugal.
authors.forename: Michael
authors.initials: M
authors.lastname: Evans-Brown
authors.affiliation: European Monitoring Centre for Drugs and Drug Addiction (EMCDDA), Lisbon, Portugal.
authors.forename: Roumen
authors.initials: R
authors.lastname: Sedefov
mesh_terms: D015198:Designer Drugs; D013287:Illicit Drugs; D011619:Psychotropic Drugs
chemical_list: D015198:Designer Drugs; D013287:Illicit Drugs; D011619:Psychotropic Drugs
keywords: Early-warning systems; counterfeit medicines; fentanils; globalization; mass poisionings; new psychoactive substances; synthetic cannabinoids