NO AUTHOR LISTED. Communicable Diseases Intelligence volume 4 issue 7 - 11 April 1980 - whole issue. Communicable Diseases Intelligence, [S. l.], v. 4, p. 1–13, 1980. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3194. Acesso em: 11 apr. 2026.