NO AUTHORS LISTED. Communicable Diseases Intelligence volume 21 issue 13 - 26 June 1997-whole issue. Communicable Diseases Intelligence, [S. l.], v. 21, p. 173–188, 1997. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1071. Acesso em: 21 apr. 2026.