No authors listed. Communicable Diseases Intelligence volume 17 issue 13 - 28 June 1993 - whole issue. Commun Dis Intell (2018) [Internet]. 1993 Jun. 28 [cited 2026 Apr. 3];17:278-300. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2860