title: Status of drug abuse and its treatment in Iran.
mesh_terms: D002188:Cannabis; D006556:Heroin Dependence / Q000453:epidemiology; D006801:Humans; D007492:Iran; D008605:Mental Health Services; D009892:Opium; D012050:Rehabilitation, Vocational; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000534:rehabilitation
chemical_list: D009892:Opium