No author listed. Communicable Diseases Intelligence volume 16 issue 22 - 2 November 1992 - whole issue. Commun Dis Intell (2018) [Internet]. 1992 Nov. 2 [cited 2026 Apr. 19];16:474-90. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2901