Asaolu, M.F., et al. “Evaluation of in-Vitro Antioxidant Activities of Methanol Extracts of Persea Americana and Cnidosculus Aconitifolius”. Pakistan Journal of Nutrition, vol. 9, no. 11, Oct. 2010, pp. 1074–1077, https://doi.org/10.3923/pjn.2010.1074.1077.