DESIGN, DEVELOPMENT AND OPTIMIZATION OF LETROZOLE NANOPARTICLES FOR BREAST CANCER TREATMENT . International Research Journal of Pharmacy, [S. l.], v. 10, n. 6, p. 72–78, 2019. Disponível em: https://irjponline.org/index.php/irjp/article/view/514. Acesso em: 24 jun. 2026.