"Chronic Care Management for Dependence on Alcohol and Other Drugs"
JAMA Sep 18
http://jama.jamanetwork.com/article.aspx?articleid=1738895
"Conclusions and Relevance  Among persons with alcohol and other drug dependence, CCM compared with a primary care appointment but no CCM did not increase self-reported abstinence over 12 months. Whether more intensive or longer-duration CCM is effective requires further investigation."