title: Understanding changes in heroin availability in Europe over time: emerging evidence for a slide, a squeeze and a shock.
authors.forename: Paul
authors.initials: P
authors.lastname: Griffiths
authors.forename: Jane
authors.initials: J
authors.lastname: Mounteney
authors.forename: Laurent
authors.initials: L
authors.lastname: Laniel
mesh_terms: D005060:Europe / Q000453:epidemiology; D003932:Heroin / Q000600:supply & distribution*; D006556:Heroin Dependence / Q000453:epidemiology; D006801:Humans; D007880:Legislation, Drug; D009294:Narcotics / Q000600:supply & distribution*
chemical_list: D009294:Narcotics; D003932:Heroin