No author listed. Communicable Diseases Intelligence volume 16 issue 9 - 4 May 1992 - whole issue. Commun Dis Intell (2018) [Internet]. 1992 May 6 [cited 2026 Apr. 6];16:182-203. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2888