MERCADO, Erik H. et al. Pneumococcal serotypes in carrier children prior to the introduction of anti-pneumococcal vaccines in Peru. Revista Peruana de Medicina Experimental y Salud Pública, [S. l.], v. 29, n. 1, 2014. DOI: 10.17843/rpmesp.2012.291.308. Disponível em: https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/308.. Acesso em: 8 may. 2024.