Omidiji, O., Okpuzor, J. and Otubu, O. (2006) “The Contribution of an Ionic Peroxidase Isozyme to Enzyme-Mediated Browning in Dioscorea esculenta L. Tubers”, Pakistan Journal of Nutrition, 5(5), pp. 478–480. doi:10.3923/pjn.2006.478.480.