AFIFY, Abd El-Moneim M.R., Emad A. SHALABY, and Hossam Saad EL-BELTAGI. “Antioxidant Activity of Aqueous Extracts of Different Caffeine Products”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 39, no. 2 (November 21, 2011): 117–123. Accessed February 10, 2025. https://notulaebotanicae.ro/index.php/nbha/article/view/6254.