„In Vitro Antioxidant Properties of Methanolic Leaf Extract of Vernonia Amygdalina Del“ (2021) Nigerian Journal of Physiological Sciences, 29(2), S. 091–101. Verfügbar unter: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1812 (Zugegriffen: 6 April 2026).