No authors listed. Communicable Diseases Intelligence volume 17 issue 23 - 15 November 1993 - whole issue. Commun Dis Intell (2018) [Internet]. 1993 Nov. 15 [cited 2026 Apr. 16];17:530-64. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2870