A floating pulsatile drug delivery system based on hollow calcium pectinate beads. Asian Journal of Pharmaceutics (AJP), [S. l.], v. 3, n. 2, 2014. DOI: 10.22377/ajp.v3i2.252. Disponível em: http://www.asiapharmaceutics.info/index.php/ajp/article/view/252. Acesso em: 15 apr. 2026.