No author listed. Communicable Diseases Intelligence volume 4 issue 8 - 25 April 1980 - whole issue. Commun Dis Intell (2018) [Internet]. 1980 Apr. 25 [cited 2026 Apr. 12];4:1-14. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3195