NO AUTHORS LISTED. Communicable Diseases Intelligence volume 21 issue 16 - 7 August 1997-whole issue. Communicable Diseases Intelligence, [S. l.], v. 21, p. 217–284, 1997. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1074. Acesso em: 7 apr. 2026.