Economisch gedrag van regelmatige opiatengebruikers 1987-1989

Life history, social background, first contacts with drugs, first contacts with the law. Legal sources of income: social benefits, regular job, rent subsidy / housing situation,...生活史、社会背景、首次接触毒品经历、首次涉法经历。合法收入来源包括：社会福利、正式工作、租金补贴/住房状况……