NO AUTHORS LISTED. Communicable Diseases Intelligence volume 21 issue 21 - 30 October 1997-whole issue. Communicable Diseases Intelligence, [S. l.], v. 21, p. 317–332, 1997. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1081. Acesso em: 16 jul. 2026.