No author listed. Communicable Diseases Intelligence volume 16 issue 21 - 19 October 1992 - whole issue. Commun Dis Intell (2018) [Internet]. 1992 Oct. 19 [cited 2026 Apr. 17];16:442-71. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2900