Daniel, C. ., O. G. . Chukwuemeka, and J. G. . Nnamdi. “Effect of Aqueous Solution of Caffeine on Serum Level of Superoxide Dismutase in Male Wister Rats”. GSC Biological and Pharmaceutical Sciences, vol. 18, no. 1, Apr. 2022, pp. 046-50, doi:10.30574/gscbps.2022.18.1.0370.