Helalizadeh, M., Labbafi Hoseinabadi, M., Rohani, H., Hajiaghaee, R., & Hatami, E. "Meta-Analysis of the Effectiveness of Saffron Supplementation on Enzymatic Antioxidant Defense Biomarkers in Exercise", Sport Physiology, 12, 45, 2020, 129–152. doi: 10.22089/spj.2018.6443.1817