VERMA, Ritu. A Review: Formulation and Optimization of Sustained Release Eudragit Coated Metformin Hydrochloride. Journal of Drug Delivery and Therapeutics, India, v. 9, n. 4, p. 663–666, 2019. DOI: 10.22270/jddt.v9i4.3074. Disponível em: https://jddtonline.info/index.php/jddt/article/view/3074. Acesso em: 25 may. 2026.