Imafidon, K. E., et al. “Haematopoietic Effects of Ipomoea Batatas (L) Lam. Leaf Extract on Male Wistar Rats”. Journal of Biological Research and Biotechnology, vol. 13, no. 1, June 2015, pp. 897 – 901, https://doi.org/10.4314/br.v13i1.144797.