O. Ayoka, Thecla, Ngwu Nwachukwu, Aloysius C. Ene, Chidi U. Igwe, Amaechi L. Ogara, and Charles O. Nnadi. 2022. “In-Vitro Antioxidant Activity and Acute Toxicity of the Alkaloidal Constituents of Zanthoxylum Zanthoxyloides Leaves”. Tropical Journal of Natural Product Research (TJNPR) 6 (2): 276-80. https://tjnpr.org/index.php/home/article/view/176.