NO AUTHOR LISTED. Communicable Diseases Intelligence volume 15 issue 17 - 26 August 1991 - whole issue. Communicable Diseases Intelligence, [S. l.], v. 15, p. 283–308, 1991. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2925. Acesso em: 11 apr. 2026.