Kalantidi, V., M. . Kantilafti, D. Lamnisos, and S. Chrysostomou. “The Impact of Probiotic Supplementation on Depressive Symptoms: A Systematic Review of Clinical Trials”. The North African Journal of Food and Nutrition Research, vol. 8, no. 18, Oct. 2024, pp. 106-17, https://najfnr.com/home/article/view/451.