Joshua, P. E.; Oka, S. A.; Eze, C. S. Estimation of Phytochemical, Total Phenolic and Total Flavonoid Contents of Methanol Extract of Voacanga Africana Root Bark and Its Fractions. JBRB 2025, 15 (1), 988 – 993. https://doi.org/10.4314/br.v15i1.188322.