Figure 2
From: Neural correlates of adherence to extended-release naltrexone pharmacotherapy in heroin dependence

Changes of positive UDS in cocaine and opioid over the treatment period (that is, baseline, Pre-XRNTX, first (1st)-XRNTX, second (2nd)-XRNTX, third (3rd)-XRNTX and Post-XRNTX). UDS, urine drug screen; XRNTX, injectable extended-release naltrexone.