«In Vitro Antioxidant Properties of Methanolic Leaf Extract of Vernonia Amygdalina Del», NJPS, vol. 29, n.º 2, pp. 091–101, mai. 2021, Acedido: 6 de abril de 2026. [Online]. Disponível em: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1812