No author listed. Communicable Diseases Intelligence volume 16 issue 7 - 6 April 1992 - whole issue. Commun Dis Intell (2018) [Internet]. 1992 Apr. 6 [cited 2026 Apr. 8];16:134-52. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2886