Zenari, L. “Efficacy and Tolerability of Liraglutide in Combination With Other Antidiabetic Drugs in Type 2 Diabetes”. Acta Biomedica Atenei Parmensis, vol. 82, no. 3, Feb. 2012, pp. 251-3, https://mattioli1885journals.com/index.php/actabiomedica/article/view/1736.