title: Illegal drug use in the age of ageing.
authors.forename: Caryl
authors.initials: C
authors.lastname: Beynon
authors.forename: Gerry
authors.initials: G
authors.lastname: Stimson
authors.forename: Euan
authors.initials: E
authors.lastname: Lawson
mesh_terms: D000328:Adult; D017677:Age Distribution; D000368:Aged; D006801:Humans; D008875:Middle Aged; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000628:therapy; D006113:United Kingdom / Q000453:epidemiology