No author listed. Communicable Diseases Intelligence volume 4 issue 13 - 4 July 1980 - whole issue. Commun Dis Intell (2018) [Internet]. 1980 Jul. 4 [cited 2026 Apr. 16];4:1-11. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3201