Influence of electrolytes on the controlled release of verapamil hydrochloride from HPMC K15M matrix tablets. Asian Journal of Pharmaceutics (AJP), [S. l.], v. 5, n. 1, 2014. DOI: 10.22377/ajp.v5i1.81. Disponível em: https://www.asiapharmaceutics.info/index.php/ajp/article/view/81. Acesso em: 15 apr. 2026.