Clean urine gets you points – and points mean prizes. Stephen Higgins and Sarah Heil describe an innovative approach to improving treatment outcomes.
Urine the money: voucher-based incentive scheme for drug treatment (PDF)
Clean urine gets you points – and points mean prizes. Stephen Higgins and Sarah Heil describe an innovative approach to improving treatment outcomes.
Urine the money: voucher-based incentive scheme for drug treatment (PDF)