Sullivan, Lynn E., Brent A. Moore, Patrick G. O'Connor, Declan T. Barry, Marek C. Chawarski, Richard S. Schottenfeld, and David A. Fiellin. "The association between cocaine use and treatment outcomes in patients receiving office-based buprenorphine/naloxone for the treatment of opioid dependence." The American journal on addictions / American Academy of Psychiatrists in Alcoholism and Addictions 19, no. 1 (2010): 53-8.