NO AUTHORS LISTED. Communicable Diseases Surveillance: CDI volume 21 issue 16 (1997). Communicable Diseases Intelligence, [S. l.], v. 21, p. 222–230, 1997. DOI: 10.33321/cdi.1997.21.45. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2028. Acesso em: 6 jul. 2026.