Development and in vitro evaluation of Letrozole loaded biodegradable nanoparticles for breast cancer therapy . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 45, n. 3, p. 585–591, 2009. DOI: 10.1590/S1984-82502009000300025. Disponível em: https://revistas.usp.br/bjps/article/view/10716.. Acesso em: 21 jul. 2024.