No authors listed. Communicable Diseases Intelligence volume 17 issue 6 - 22 March 1993 - whole issue. Commun Dis Intell (2018) [Internet]. 1993 Mar. 22 [cited 2026 Apr. 16];17:114-30. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2853