A two-year follow-up of a cohort of opiate users from a provincial town.
D000293:Adolescent; D000328:Adult; D003415:Crime; D005260:Female; D005500:Follow-Up Studies; D003932:Heroin; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008875:Middle Aged; D009892:Opium; D011157:Population Dynamics; D012923:Social Class; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders; D014937:Work
D003932:Heroin; D009892:Opium