NO AUTHOR LISTED. Communicable Diseases Intelligence volume 14 issue 6 - 26 March 1990 - whole issue. Communicable Diseases Intelligence, [S. l.], v. 14, p. 1–20, 1990. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2939. Acesso em: 3 apr. 2026.