“…Traditionally COD have been treated in parallel or sequentially, however this often results in poor treatment outcomes (Gil-Rivas & Grella, 2005). More recently, greater support has been found for an integrated approach to treatment, including higher completion rates and lower rates of relapse (Primm et al, 2000;Brunette et al, 2004). Integrated treatment is now seen as the more effective form of treatment for COD (Mueser, Noordsy, Drake, & Fox, 2003).…”