The heroin copping area. A location for epidemiological study and intervention activity.
D000328:Adult; D001741:Black or African American; D002641:Chicago; D003710:Demography; D004812:Epidemiologic Methods; D003932:Heroin; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000517:prevention & control / Q000534:rehabilitation
D003932:Heroin