No author listed. Communicable Diseases Intelligence volume 14 issue 22 - 5 November 1990 - whole issue. Commun Dis Intell (2018) [Internet]. 1990 Nov. 5 [cited 2026 Apr. 10];14:1-22. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2955