Uhegbu, F.O. et al. 2011. Cyanide, Nitrate and Nitrite Content of Some Leafy Vegetables and Fruits Commonly Consumed in the South-East of Nigeria. Pakistan Journal of Nutrition. 10, 12 (Nov. 2011), 1190–1194. DOI:https://doi.org/10.3923/pjn.2011.1190.1194.