KRISHNAN, V.; RAI, S. Sitagliptin induced acute severe nasopharyngitis. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 3, n. 2, p. 403–404, 2017. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/446. Acesso em: 24 oct. 2025.