Investigation of Antioxidant Compositions and Antioxidative Activities of Ethanol Extract of Alstonia boonei Stem Bark. NJPR [Internet]. 30 setembre 2020 [citat 8 juliol 2026];16(1):71-80. Disponible a: https://www.ojshostng.com/index.php/njpharmaceuticalsciences/article/view/895