Response Surface Optimization of Diltiazem HCl Gastric Floating Matrix Tablets. Asian Journal of Pharmaceutics (AJP), [S. l.], v. 14, n. 03, 2020. DOI: 10.22377/ajp.v14i03.3758. Disponível em: http://www.asiapharmaceutics.info/index.php/ajp/article/view/3758. Acesso em: 14 apr. 2026.