Uchendu, A., and E. Omogbai. “Co-Administration of Metformin and Vitamin C or E in Improves Diabetes Prognosis in Streptozotocin-Induced Diabetes Rats”. Journal of Current Biomedical Research, vol. 3, no. 2, March-April, May 2023, pp. 817-34, doi:10.54117/jcbr.v3i2.1.