Antibiotics and inhaled corticosteroids have little or no benefit in acute sinusitis. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 24, n. 2, p. 330–1, 2008. DOI: 10.32385/rpmgf.v24i2.10497. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10497. Acesso em: 19 apr. 2026.