NO AUTHOR LISTED. Communicable Diseases Intelligence volume 4 issue 4 - 29 February 1980 - whole issue. Communicable Diseases Intelligence, [S. l.], v. 4, p. 1–14, 1980. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3191. Acesso em: 23 apr. 2026.