“In Vitro Antioxidant Properties of Methanolic Leaf Extract of Vernonia Amygdalina Del”, NJPS, bd. 29, nr. 2, s. 091–101, maj 2021, Set: 7. april 2026. [Online]. Tilgængelig hos: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1812