Design and Optimization of Gastro Retentive Bilayer Foating Tablet of Verapamil HCl. Asian Journal of Chemical and Pharmaceutical Research, [S. l.], v. 12, n. 1, p. 10–15, 2024. DOI: 10.30904/. Disponível em: https://pharmaresearchlibrary.org/journals/index.php/ajcpr/article/view/52. Acesso em: 8 jul. 2026.