FORMULATION & EVALUATION OF BILAYER FLOATING TABLETS OF METOPROLOL TARTRATE. International Journal of Biomedical and Advance Research, [S. l.], v. 3, n. 2, p. 122–128, 2012. DOI: 10.7439/ijbar.v3i2.362. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/122. Acesso em: 13 mar. 2026.