Haque, Shahnaz, Anand Shukla, and Anil Kem. 2017. “Treatment Satisfaction and Safety of Sitagliptin Versus Pioglitazone in Patients With Type 2 Diabetes Mellitus Inadequately Controlled on Metformin Monotherapy”. International Journal of Basic & Clinical Pharmacology 6 (2):338-43. https://doi.org/10.18203/2319-2003.ijbcp20170326.