Erharuyi, O, and A Falodun. “Total Phenol Amd Flavonoid Contents of Crude Extract and Fractions of Picralima Nitida Root Bark TH. And H. Durand (Apoceanaceae)”. Journal of Pharmaceutical and Allied Sciences 9, no. 3 (January 16, 2013): 1558–1563. Accessed September 17, 2026. https://www.ajol.info/index.php/jophas/article/view/84525.