Investigation of Antioxidant Compositions and Antioxidative Activities of Ethanol Extract of Alstonia boonei Stem Bark. NJPR [Internet]. 30º de setembro de 2020 [citado 8º de julho de 2026];16(1):71-80. Disponível em: https://www.ojshostng.com/index.php/njpharmaceuticalsciences/article/view/895