PREFORMULATION STUDIES OF CONTROLLED/SUSTAINED RELEASE FORMULATIONS: AN OVERVIEW. International Research Journal of Pharmacy, [S. l.], v. 3, n. 5, p. 77–81, 2012. Disponível em: https://irjponline.org/index.php/irjp/article/view/2358. Acesso em: 24 jun. 2026.