Dr.S.SHARANYA, et al. “Evaluation of Anti-Oxidant Activity of Teneligliptin by DPPH Assay- an In-Vitro Study”. International Journal of Pharma and Bio Sciences, vol. 8, no. 4, Dec. 2017, pp. 219-23, doi:10.22376/ijpbs.2017.8.4.p219-223.