MCINTYRE, Peter. Epidemiology and prevention of pneumococcal disease. Communicable Diseases Intelligence, [S. l.], v. 21, p. 41–46, 1997. DOI: 10.33321/cdi.1997.21.9. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1962. Acesso em: 2 apr. 2026.