Application of Validated HPLC Method for Degradation Study of Sitagliptin and Metformin HCl. International Journal of Advances in Pharmaceutical Analysis, [S. l.], v. 7, n. 2, p. 21–24, 2017. DOI: 10.7439/ijapa.v7i2.4375. Disponível em: https://ssjournals.co.in/index.php/ijapa/article/view/4375. Acesso em: 4 apr. 2026.