H. Igbokwe, N. et al. 2018. Evaluation of Acute and Sub-Chronic Toxicities and the Effect of Ointment Bases on the Antimicrobial Potency of the Ethanolic Extracts of Alchornea cordifolia Leaf and Terminalia superba Stem Bark: doi.org/10.26538/tjnpr/v2i7.12. Tropical Journal of Natural Product Research (TJNPR). 2, 7 (Jul. 2018), 370–374.