Uwakwe, A., and N. Ononiwu. “Comparative in-Vitro Effects of Some Anti-Malaria Drugs on Human Erythrocyte Glutathione-S-Transferase (EC. 2.5.1.18) Activity”. Global Journal of Medical Sciences, vol. 2, no. 1, Jan. 2003, pp. 43-48, doi:10.4314/gjms.v2i1.10095.