Dhone, P. G., D. Behera, N. Gundawar, and M. F. Mubeen. “Comparative Study to Evaluate Safety and Efficacy of Metformin Versus Sitagliptin Alone and Combination in Type 2 Diabetes Mellitus”. International Journal of Health Sciences, vol. 6, no. S5, June 2022, pp. 5462-75, doi:10.53730/ijhs.v6nS5.10038.