«In Vitro Antioxidant Properties of Methanolic Leaf Extract of Vernonia Amygdalina Del» (2021) Nigerian Journal of Physiological Sciences, 29(2), pp. 091–101. Disponible en: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1814 (Accedido: 5 abril 2026).