Comparison of the physicochemical quality of metformin brands available on the market. Research, Society and Development, [S. l.], v. 14, n. 10, p. e11141049617, 2025. DOI: 10.33448/rsd-v14i10.49617. Disponível em: https://rsdjournal.org/rsd/article/view/49617. Acesso em: 6 feb. 2026.