LEÓN, María Eugenia et al. Frequency of Streptococcus pneumoniae isolated from invasive disease in Paraguay, serotypes and sensitivity profile (2010-2018). Memorias del Instituto de Investigaciones en Ciencias de la Salud, [S. l.], v. 18, n. 1, p. 38–46, 2020. Disponível em: https://revistascientificas.una.py/index.php/RIIC/article/view/558. Acesso em: 8 nov. 2026.