Development of asymmetric membrane capsules of metformin hydrochloride for oral osmotic controlled drug delivery. Asian Journal of Pharmaceutics (AJP), [S. l.], v. 8, n. 1, 2014. DOI: 10.22377/ajp.v8i1.318. Disponível em: http://asiapharmaceutics.info/index.php/ajp/article/view/318. Acesso em: 14 apr. 2026.