Figure 1From: Treatment of polydrug-using opiate dependents during withdrawal: towards a standardisation of treatmentProportion of patients retained in treatment. Kaplan-Meyer analysis. Log rank test p = 0.15. Buprenorphine/Valproate group (BPN/VPA) n = 12, and Clonidine/Carbamazepine group (CLN/CBZ) n = 50.Back to article page