NO AUTHORS LISTED. Communicable Diseases Intelligence volume 21 issue 19 - 18 September 1997-whole issue. Communicable Diseases Intelligence, [S. l.], v. 21, p. 261–280, 1997. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1077. Acesso em: 9 apr. 2026.