Olivia Njoku, Ugochi. 2021. “Toxicological Evaluation of Methanol Leaf Extract of Cola Hispida: doi.org 10.26538 Tjnpr V5i10.25”. Tropical Journal of Natural Product Research (TJNPR) 5 (10):1859-62. https://www.tjnpr.org/index.php/home/article/view/390.