Efficacy of N-Acetylcysteine Augmentation on Obsessive Compulsive Disorder: A Multicenter Randomized Double Blind Placebo Controlled Clinical Trial - Ghanizadeh, Ahmad; Mohammadi, Mohammad Reza; Bahraini, Shahla; Keshavarzi, Zahra; Firoozabadi, Ali; Alavi Shoshtari, Ali (Iranian Journal of Psychiatry, 2017)