No authors listed. Communicable Diseases Intelligence volume 17 issue 14 - 12 July 1993 - whole issue. Commun Dis Intell (2018) [Internet]. 1993 Jul. 12 [cited 2026 Apr. 14];17:302-26. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2861