title: Trends in new psychoactive substances from surface and "dark" net monitoring.
authors.affiliation: National Drug and Alcohol Research Centre, UNSW Australia, Sydney NSW 2052, Australia.
authors.forename: Joe
authors.initials: J
authors.lastname: Van Buskirk
authors.affiliation: European Monitoring Centre on Drugs and Drug Addiction, Lisbon, Portugal.
authors.forename: Paul
authors.initials: P
authors.lastname: Griffiths
authors.affiliation: National Drug and Alcohol Research Centre, UNSW Australia, Sydney NSW 2052, Australia.
authors.forename: Michael
authors.initials: M
authors.lastname: Farrell
authors.affiliation: National Drug and Alcohol Research Centre, UNSW Australia, Sydney NSW 2052, Australia. Electronic address: l.degenhardt@unsw.edu.au.
authors.forename: Louisa
authors.initials: L
authors.lastname: Degenhardt
mesh_terms: D003132:Commerce / Q000331:legislation & jurisprudence / Q000639:trends*; D004335:Drug and Narcotic Control; D005062:European Union; D006801:Humans; D020407:Internet; D011619:Psychotropic Drugs / Q000191:economics*
chemical_list: D011619:Psychotropic Drugs