Olivia Njoku, Ugochi. “Toxicological Evaluation of Methanol Leaf Extract of Cola Hispida: doi.org 10.26538 Tjnpr V5i10.25”. Tropical Journal of Natural Product Research (TJNPR) 5, no. 10 (October 1, 2021): 1859–1862. Accessed April 5, 2025. https://tjnpr.org/index.php/home/article/view/390.