Prevalence and early detection of heroin abuse.
D000293:Adolescent; D000328:Adult; D000661:Amphetamine; D001463:Barbiturates; D004739:England; D005260:Female; D006505:Hepatitis / Q000453:epidemiology; D003932:Heroin; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders / Q000175:diagnosis* / Q000453:epidemiology*
D001463:Barbiturates; D003932:Heroin; D000661:Amphetamine