M. A. Olamoyegun, N. O. Omisore, A. O. Yusuf, and T. E. Odewale, “Assessment of Pharmacodynamic Interactions and Toxicological Effects of Vernonia amygydalina –Metformin Co-Administration on Streptozotocin-Induced Diabetic Wistar Rats: . http://www.doi.org/10.26538/tjnpr/v6i12.29”, TJNPR, vol. 6, no. 12, pp. 2073–2080, Dec. 2022.