NO AUTHORS LISTED. Communicable Diseases Intelligence volume 21 issue 12 - 12 June 1997-whole issue. Communicable Diseases Intelligence, [S. l.], v. 21, p. 161–172, 1997. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1050. Acesso em: 24 apr. 2026.