Figure 1From: Psychosocial and treatment correlates of opiate free success in a clinical review of a naltrexone implant programOpiate Free Success by: A.: Combined Oral Tablet and Implant Group; B: Perth, USA, Tablet and Historical Groups. C.: Presence or Absence of Urinary Naltrexone. **** – P < 0.0001; ** – P < 0.025.Back to article page