E. Kütlemez, M. Ünlü Söğüt, and M. N. Çelik, “Obsessive-Compulsive Disorder and the Gut Microbiota: The Microbiota–Gut–Brain Axis and Therapeutic Approaches”, J. Nutr. Res. Diet., vol. 1, no. 1, pp. 10–20, Sep. 2026.