Saliu, J. A.; Olabiyi, A. A.; Adefegha, S. A.; Oyeleye, S. .; Olorunisola, O. O. Comparative Evaluation of Antioxidative Properties and Effects of Aqueous Extracts of Cola Nitida and Vitex Doniana on Fe2+ - Generated Oxidative Stress in Rat Testes in Vitro. 57 2016, 5, 15-25.