Egbule, Mercy N., et al. “Evaluation of Proximate and Phytochemical Constituents of Pentadiplandra Brazzeana Baill (‘Osumada’) Roots”. Nigerian Journal of Biochemistry and Molecular Biology, vol. 37, no. 3, Oct. 2022, pp. 166-74, https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/102.