Formulation Development And In Vitro Evaluation Of Ibuprofen Sustained Release Matrix Tablets By Using Natural Polymer. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, n. 4, p. 2210–2222, 2022. DOI: 10.47750/. Disponível em: https://pnrjournal.com/index.php/home/article/view/10726.. Acesso em: 5 jun. 2026.