زيدان ريم, ربا سلمان, and ربا حمدان. “Comparison Sitagliptin/Metformin Combination Therapy With Metformin Monotherapy in Patients With Type 2 Diabetes Mellitus”. Tishreen University Journal -Medical Sciences Series 44, no. 5 (November 13, 2022): 313–323. Accessed November 24, 2024. https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/13496.