No authors listed. Communicable Diseases Intelligence volume 17 issue 8 - 19 April 1993 - whole issue. Commun Dis Intell (2018) [Internet]. 1993 Apr. 19 [cited 2026 Apr. 14];17:158-77. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2855