Michael A. Sugarman, Kirsch, Irving , and Huppert, Jonathan D. . 2017. “Obsessive-Compulsive Disorder Has A Reduced Placebo (And Antidepressant) Response Compared To Other Anxiety Disorders: A Meta-Analysis.”. Journal Of Affective Disorders, 218, Pp. 217-226. https://www.sciencedirect.com/science/article/pii/S0165032717303051.