Investigation of Antioxidant Compositions and Antioxidative Activities of Ethanol Extract of Alstonia boonei Stem Bark. NJPR [Internet]. 30 de septiembre de 2020 [citado 21 de mayo de 2026];16(1):71-80. Disponible en: https://www.ojshostng.com/index.php/njpharmaceuticalsciences/article/view/895