PUTRA, I.M.W.A.; SITANGGANG, K.W.; SUARYA, Putu; SIMPEN, I.N.; CIPTA, Indra. in vitro Controlled Drug Release of Antidiabetic Metformin HCl from Citric Acid Activated Natural Montmorillonite. Asian Journal of Chemistry, [S. l.], v. 30, n. 1, p. 63–65, 2017. DOI: 10.14233/ajchem.2018.20856. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/30_1_13. Acesso em: 23 jul. 2024.