In vitro, antioxidant activities of aqueous and methanol roselle (Hibiscus sabdariffa) calyces extracts from two localities in Cameroon. Nor. Afr. J. Food Nutr. Res. [Internet]. 2020 Sep. 23 [cited 2026 Apr. 4];4(8):292-7. Available from: https://www.ojs.ktobah.com/home/article/view/104