Frequency of heroin use and drug users' life-style.
D000328:Adult; D003415:Crime; D004334:Drug Administration Schedule; D005190:Family; D005260:Female; D003932:Heroin / Q000008:administration & dosage*; D006556:Heroin Dependence / Q000523:psychology* / Q000534:rehabilitation; D006801:Humans; D013287:Illicit Drugs; D008019:Life Style; D008297:Male; D012931:Social Environment; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders / Q000523:psychology
D013287:Illicit Drugs; D003932:Heroin