NO AUTHORS LISTED. Communicable Diseases Intelligence volume 21 issue 20 - 2 October 1997-whole issue. Communicable Diseases Intelligence, [S. l.], v. 21, p. 281–316, 1997. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1080. Acesso em: 6 apr. 2026.