Heroin utilization. A communicable disease?
D003141:Communicable Diseases / Q000453:epidemiology; D004335:Drug and Narcotic Control; D003932:Heroin; D006801:Humans; D009519:New York City; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000517:prevention & control
D003932:Heroin