Dey, A., U. A.G., G. Saxena, and R. Jain. “Renal Safety Profile of Di-Peptidyl-Peptidase Inhibitors: A Review of Available Literature”. International Journal of Basic & Clinical Pharmacology, vol. 6, no. 3, Feb. 2017, pp. 487-94, doi:10.18203/2319-2003.ijbcp20170544.