Aniagu, S. O., Nwinyi, F. C., Akumka, D. D., Ajoku, G. A., Dzarma, S., Izebe, K. S., Ditse, M., Nwaneri, P. E., Wambebe, C. and Gamaniel, K. (2005) “Toxicity studies in rats fed nature cure bitters”, African Journal of Biotechnology, 4(1), pp. 72–78. doi: 10.4314/ajb.v4i1.15055.