“Effects of Dietary Substitution With Vernonia Calvoana Leaf on Some Serum Lipid and Haematological Parameters in Male Wistar Rats”. Nigerian Journal of Biochemistry and Molecular Biology, vol. 33, no. 1&2, Aug. 2018, pp. 32-43, https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/289.