« Investigation of Antioxidant Compositions and Antioxidative Activities of Ethanol Extract of Alstonia Boonei Stem Bark ». Nigerian Journal of Pharmaceutical Research 16, no. 1 (septembre 30, 2020): 71–80. Consulté le avril 5, 2026. https://www.ojshostng.com/index.php/njpharmaceuticalsciences/article/view/895.