Sekaran, C.B. and Rani, A.P. 2010. Development and validation of spectrophotometric method for the determination of DPP-4 inhibitor, sitagliptin, in its pharmaceutical preparations. Eclética Química. 35, 3 (Sep. 2010), 45–53. DOI:https://doi.org/10.26850/1678-4618eqj.v35.3.2010.p45-53.