Ayoub BM, Emam RM, Youssef MM, El-Kattan MN, Sayed MA, Kowider AM, Seha AH, Rabea EA, Yakout RM, Faried RH, . Mean Centering Method for determination of Empagliflozin and Metformin. Marmara Pharm. J 2017; 21(3): 669-674. http://dx.doi.org/10.12991/marupj.323590