title: National variations in classifications.
authors.affiliation: Nordic Centre for Welfare and Social Issues, NVC Finland, Annankatu 29 A 23 Helsinki 00100, Finland. pia.rosenqvist@nordicwelfare.org
authors.forename: Pia
authors.initials: P
authors.lastname: Rosenqvist
mesh_terms: D000293:Adolescent; D005060:Europe; D006801:Humans; D013287:Illicit Drugs / Q000145:classification* / Q000331:legislation & jurisprudence; D007880:Legislation, Drug; D055815:Young Adult
chemical_list: D013287:Illicit Drugs