NO AUTHOR LISTED. Communicable Diseases Intelligence volume 3 issue 25 - 21 December 1979 - whole issue. Communicable Diseases Intelligence, [S. l.], v. 3, p. 1–12, 1979. Disponível em: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3239. Acesso em: 7 apr. 2026.