El-Agamy, M., S. A. E.-S. El-Sayed, and E.-S. E.-S. El-Said. “Zinc, Selenium, and Vitamin E Combination Ameliorate Carbohydrate Metabolic Enzymes and Liver Antioxidant Activities in Diabetic Rats through Regulation of Glycogen Synthase Kinase 3 Beta and Pyruvate Kinase M2 Genes Expression: Micronutrients Supplementation and Carbohydrate Metabolism in Diabetic Rats”. PSM Veterinary Research, vol. 5, no. 2, July 2020, pp. 38-48, https://psmjournals.org/index.php/vetres/article/view/466.