ROPER, Katrina. Outbreak of pertussis, 1 January to 31 March 2009. Communicable Diseases Intelligence, [S. l.], v. 33, p. 36–37, 2009. DOI: 10.33321/cdi.2009.33.7. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1517. Acesso em: 1 apr. 2026.