SAMHSA (Substance Abuse and Mental Health Services Administration). undated. Report to Congress on the Prevention and Treatment of Co-Occurring Substance Abuse Disorders and Mental Disorders. [Online]. Available: http://www.samhsa.gov/reports/congress2002/CoOccurringRpt.pdf [accessed April 25, 2004].

Shojania KG, Grimshaw JM. 2005. Evidence-based quality improvement: The state of the science. Health Affairs 24(1):138–150.

Shojania KG, McDonald KM, Wachter RM, Owens DK. 2004. Closing the Quality Gap: A Critical Analysis of Quality Improvement Strategies, Volume 1—Series Overview and Methodology. AHRQ Publication Number: 04-0051-1. Rockville, MD: Agency for Healthcare Research and Quality.

Stein MT. 2002. The role of attention-deficit/hyperactivity disorder diagnostic and treatment guidelines in changing practices. Pediatric Annals 31(8):496–504.

Stein DJ, Zungu-Dirwayi N, van der Linden G, Seedat S. 2005. Pharnacotherapy for post traumatic stress disorder (PTSD). The Cochrane Collaboration 3. (Date of most recent update: 26-February-2005. date of most recent substantive update: 20-July-2000): [electronic—no page numbers].

Tanenbaum S. 2003. Evidence-based practice in mental health: Practical weaknesses meet political strengths. Journal of Evaluation in Clinical Practice 9(2):287–301.

West S, King V, Carey TS, Lohr K, McKoy N, Sutton S, Lux L. 2002. Systems to Rate the Strength of Scientific Evidence. AHRQ Publication No. 02-E016. Evidence Report/Technology Assessment No. 47. Rockville, MD: Agency for Healthcare Research and Quality.

Wolff N. 2000. Using randomized controlled trials to evaluate socially complex services: Problems, challenges, and recommendations. Journal of Mental Health Policy and Economics 3(2):97–109.

Work Group on ASD and PTSD. 2004. Practice Guideline for the Treatment of Patients with Acute Stress Disorder and Posttraumatic Stress Disorder. [Online]. Available: http://www.psych.org/psych_prac/treatg/pg/PTSD-PG-PartsA-B-CNew.pdf [accessed June 6, 2005].