“Enhanced Hypoglycaemic Effects of Metformin by Valsartan in a Diabetic Rat Model” (2018) The East and Central African Journal of Pharmaceutical Sciences, 17(3), pp. 79–86. Available at: http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/173 (Accessed: 20 April 2026).