Agbor, G., P. Moumbegna, E. Oluwasola, L. Nwosu, R.-C. Njoku, S. Kanu, E. Emekabasi, F. Akin, A. Obasi, and F. Abudei. “Antioxidant Capacity of Some Plants Foods and Beverages Consumed in the Eastern Region of Nigeria”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 8, no. 4, June 2011, doi:10.4314/ajtcam.v8i4.4.