R. Okoli, O. Aigbe, Ohaju-Obodo, and J. Mensah, “Medicinal Herbs Used for Managing Some Common Ailments among Esan People of Edo State, Nigeria”, Pak. J. Nutr., vol. 6, no. 5, pp. 490–496, Aug. 2007, doi: 10.3923/pjn.2007.490.496.