No author listed. Communicable Diseases Intelligence volume 16 issue 23 - 16 November 1992 - whole issue. Commun Dis Intell (2018) [Internet]. 1992 Nov. 16 [cited 2026 Apr. 9];16:494-512. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2902