Investigation of Antioxidant Compositions and Antioxidative Activities of Ethanol Extract of Alstonia boonei Stem Bark. NJPR [Internet]. 30. září 2020 [citován 25. duben 2026];16(1):71-80. Dostupné z: https://ojshostng.com/index.php/njpharmaceuticalsciences/article/view/895