Drug-abuse reporting systems.
D002170:Canada; D003201:Computers; D003415:Crime; D003625:Data Collection / Q000379:methods; D003906:Developing Countries; D004335:Drug and Narcotic Control; D004812:Epidemiologic Methods; D004992:Ethics, Medical; D006801:Humans; D007256:Information Systems; D007880:Legislation, Drug; D012042:Registries; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000517:prevention & control*; D006113:United Kingdom; D014481:United States; D014944:World Health Organization