Ikpe, E. E., U. D. Archibong, C. U. Michael, and E. G. Ukpong. “Chemical Composition of Anthocleista Vogelii and Anti-Oxidant Effect of Its Methanolic and Acetone Extracts”. Chemical Science International Journal 29, no. 8 (October 21, 2020): 7-18. Accessed November 25, 2020. https://journalcsij.com/index.php/CSIJ/article/view/30196.