“Impact Of DPP4 Genotypes On GLP-1 Level AndResponse To Sitagliptin With Metformin TherapyIn Iraqi T2DM Patients”. The Review of Diabetic Studies (September 20, 2025): 39–56. Accessed September 20, 2025. https://www.diabeticstudies.org/index.php/RDS/article/view/2025-09-14.