Renuka Namdeo, R. N., M. K. P. Mukesh Kumar Patel, A. M. Ashish Manigauha, and A. P. Arun Pandey. “Formulation and Evaluation of Transdermal Patch of Vildagliptin”. International Journal of Indigenous Herbs and Drugs, June 2018, pp. 7-15, https://www.saapjournals.org/index.php/herbsanddrugs/article/view/72.