No authors listed. Communicable Diseases Intelligence volume 17 issue 3 - 8 February 1993 - whole issue. Commun Dis Intell (2018) [Internet]. 1993 Feb. 8 [cited 2026 Apr. 4];17:50-66. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2849