Problem: Describe the level of evidence of the article you selected, including an explanation of the strengths of using systematic reviews for clinical research. Be specific and provide examples.
Watkins, L. E., Patton, S. C., Drexler, K., Rauch, S. A., & Rothbaum, B. O. (2022). Clinical effectiveness of an intensive outpatient program for integrated treatment of comorbid substance abuse and mental health disorders. Cognitive and Behavioral Practice.