Saha, M. R., S. Ara, A. S. Rahman, S. Rahman, M. I. Hossain, and N. M. Badhon. “Glycemic Control by Combination Therapy of Sitagliptin-Metformin Versus Metformin Alone”. KYAMC Journal, vol. 11, no. 3, Oct. 2020, pp. 150-3, doi:10.3329/kyamcj.v11i3.49874.