Figure 4From: Abuse risks and routes of administration of different prescription opioid compounds and formulationsLadder Graph of Normalized Unadjusted and Adjusted Abuse Risk Estimates for the Prescription Opioid Compounds and Formulations Excluding Methadone. This figure presents the same data as Figure 3 albeit without methadone in order to present clearly the impact of removing methadone from the analyses.Back to article page