Rawnaq Adil, A.; Abdulkareem Hameed , A.; Haider Ayad , A.; Majid Hameed, A. The Effect of the Organic Cation Transporters! (OCT1) Gene Polymorphism on the Therapeutic Efficacy of Metformin in Type 2 Diabetic Patients in Basrah Southern Iraq. HOM 2023, 9 (1).